Nitride vs chrome moly. Unlike some name brands out of the box.

Nitride vs chrome moly That's what I did no my build. During these processes, nitrogen, carbon, and small amounts of oxygen are diffused into the surface of the steel, creating an epsilon iron nitride layer (e – Fe x N). . I prefer QUALITY phosphate carriers, chrome lined and quality You do know that nitride, melonite, and phosphate are barrel finishes and not the material right? Chrome lining is just the interior of the barrel. Chrome lined bores protect against more than corrosive ammo my friend. Most people consider this coating superior to chrome lining as it does not change the dimensions and is not a coating in the barrel. I was under the impression that this was a similar process to nitride with same end result but just different chemicals are used. Nov 28, 2019 · There are a lot of sales going on, and I'm interested in a barrel for one of my AR-10 builds. Stainless will rust/pit if neglected long enough. Dec 11, 2017 · Our nitride and chrome lined barrels are held to the exact same internal dimensions and standards as any of our products and they perform to the same level. I don't know how some of the newer chemical surface treatments hold up vs chrome but I doubt they are better. I've heard that stainless is more accurate, is this true? Which lasts longer? Is stainless worth the cost? I definitely prefer the black nitride look but I'll go stainless if the advantages are there. Apr 15, 2014 · All the rings also have a physical vapor deposition (PVD) coating of chromium nitride (CrN) on the face to reduce friction and wear. See full list on usacarry. Feb 16, 2016 · Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. Their options are: Hardened Steel, HBAR Chrome Moly, Chrome Moly, Melonite Nitride, Chrome Lined, Stainless Steel and HBAR Stainless. 5 Grendel, and I can't decide between a chrome-moly nitride or stainless steel barrel. The Upper is equipped with a Micro . nickel boron vs. Nitride Coated. Jan 10, 2018 · Chrome has good wear resistance and it prolongs the life of the barrel especially when subject to the abuse of full auto fire. Hanging in the Criterion Barrels, Inc. The process is more affordable than chrome-lining, increasing barrel longevity and corrosion resistance both inside and out. Jan 5, 2019 · Barrel Nitriding vs Chrome Lining. 22-250 barrel features a rifle-length gas system, SOCOM profile, 1:14 twist, black nitride finish, 4150 chrome moly vanadium construction, 0. Feb 10, 2022 · Specs: Ballistic Advantage . If your use case is regular semi-auto fire, a nitride coated barrel vs a phosphate coated/chrome lined barrel is pretty much a wash in terms of durability. Today’s rings use a variety of materials and coatings to tailor them to a specific application. Unfortunately, a sample size of one. 750 Sanders Armory 18” . No one really knows which is truly the better treatment (chrome plating vs nitride). 2 Pounds The Mercury Precision 20' . Jul 29, 2004 · Rather than getting in to a debate I will go with one of my favorite barrel makers on the difference between Stainless and chrome-moly. A stainless steel barrel would be better for accuracy but I'm planning to run & gun this particular light-weight AR-10 like an AR-15 and am attracted to the barrel life of a chrome-lined barrel. Nitride Barrels. There's a vast number of finishes available for AR-15 bolt carrier groups (BCGs Nov 19, 2021 · AR rifle barrels will usually either be chrome lined in the bore; for barrels without chrome lining in the bore they are known as “match grade” barrels and are typically made out of stainless steel. Jan 20, 2022 #2 Chrome-Moly Vanadium (CMV) Chrome-Moly Vanadium, or simply "CMV", is the official mil-spec gun steel developed by Colt Firearms for the military-issued M16 and M4. I haven’t seen one of these PSA ak-74’s in person, but all the reviews I’ve seen and read from people owning them and reviewing them here on the PSA forums/Reddit seems like everyone has gotten them with the inside and outside finish being Nitride. Type: Additive coating. May 19, 2015 · I'll have to disagree with some of the opinions on this. They are all they same and are all 11595 (Mil-Spec) barrel steel. This type of steel is a hard, strong steel that comes in several forms including 4140 and 4150. Add a Chromium Phosphate lining, (chrome lined). And the barrel and throat are now better to withstand the scourge of wear & heat better then your SS. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. The real benefit of nitriding is that you get better corrosion resistance than chrome, on both the inside and outside, at a lower cost, without affecting accuracy. nitride? Last edited: Jan 20, 2022. military, the 4140 may do for the average civilian shooter. Chro-moly steels and stainless steels can be nitrided. At the same level of quality, Chrome lined barrels will last longer and be more durable (heat & corrosion resistant) than Nitride. Looking at different ballistic advantage barrels. If you care about accuracy and longer barrel live, the Melonite barrel has clear advantages. A good Chrome Molly Barrel is capable of shooting 1 MOA groups at 100 if it is a good quality barrel. When I built my first AR15 about 11 years ago it was chrome-moly or chrome-lined and the latter was clearly considered superior by basically everyone. 750 Gas Block and a Stainless Steel Gas tube, 15" or 16. Apr 12, 2016 · Nitride barrels do tend to be a little cheaper but if you want proven tech, and nitride hasn't been around long enough to be proven, chrome lining is the way to go. DLC outperforms nitride by about the same amount that nitride outperforms phosphate. They are equal with chrome lining when used in semi automatic rifles. Apr 29, 2020 · All I can find are the lame chrome-moly 1:9 barrels or some nitride barrels. However, there is much debate over chrome-lined vs. I am surprised that a nitride finish would be the same as a stainless steel finish as it seems to be more porous to the touch. 'Chrome moly vanadium' is almost certainly to do with the steel the barrel is made of, while a "chrome lined" barrel is, well, lined with chrome for high wear and corrosion resistance in the bore and chamber. It uses a . Now, we must all fear evil men. Chrome lined barrels are usually less accurate because of the finishing process can have high and low spots causing excessive deformation of the bullet while traveling down the barrel. the chrome plating increases surface corrosion resistance and decreases surface friction. 4150 Chrome Moly Vanadium (CMV) steel is a high-strength, low-alloy material with low chromium content, making it more prone to rust and corrosion, particularly in humid or wet conditions. I own two 416R stainless QPQ nitride pencil barrels and I couldn't be happier. Cost. Certainly benchrest barrels are never chrome lined. We typically get asked a ton of questions over the phone regarding chrome lining and the salt bath nitride treatment, so I figured it was high time we put together a little write up on the subject. Non-mil spec 4150 may not be better than 4140. Vanadium significantly increases the strength, hardness, and high-temperature stability of the steel. I want this gas block pinned. As I noted above, the term 4150 is used in barrel making (at least for me) means chrome moly vanadium even if the 4150 designation is not precise. Neither does mil-spec re-sufurized 4150 steel. Nov 11, 2021 · This is more durable during extreme full auto firing. 5 Grendel AR-15 Barrel 18in features a black Nitride finish and is machined from 4150 chrome moly vanadium steel. Didn't find anything specific for 10/22 barrels, but did find the difference in the two in general. Unlike some name brands out of the box. May 16, 2017 · Chrome-Moly-Vanadium are additives to the steel mix. Aug 26, 2012 · Stainless is not your cup of tea! They are normally more accurate then the Chrome Molly Barrels but you are picking the Fly S out of the pepper. I accepted it as a fact of life up here with chrome moly steel. To us, it’s the ideal blend of performance, accuracy, and practicality for shooters. Interesting read. We must choose individual components for our engines in much the same way, fully understanding how they must work together to get the best results — piston rings Mar 4, 2024 · Barrel: The chrome-moly vanadium steel barrel is chambered in 5. 99! nitride or chrome, I don't care, whichever has better numbers with regard to wear & corrosion resistance I'd also like to see them in more barrel & gas system lengths (13. After we gather some additional data on the subject we'll probably release a long term study comparing overall barrel life between the two finishing Aug 18, 2021 · Nitride “locks in” the bore. Apr 4, 2021 · NITRIDE (or MELONITE) COATED – ideal for semi-automatic rifle barrels made from chrome-moly or stainless steel. Nov 14, 2007 · If it's MIL-B-11595E 4150, then yes. Jul 24, 2015 · once machined, the barrel can undergo various secondary operations. The barrel that came in my rifle, is clearly melonite/nitride outside. Nov 26, 2024 · Corrosion Resistance of 4150 Chrome Moly Vanadium Steel. Nov 29, 2019 · AR15 barrel - 416R stainless VS 4150V Chrome Moly? Jump to Latest PSA 16" MID-LENGTH 5. Oct 16, 2012 · Quoted: Chrome, molybdenum, and vanadium are impurities added to steel to give it corrosion resistance and other properties. I see some barrels are melonite treated instead of nitride. We don't use "chrome" rings anymore, except in rare cases where heavy equipment NEEDS them, usually diesels operating in relatively clean environements. These barrels are coated using a slightly different process that actually forms a smooth, dark black hardening of the metal. The nitride barrel went over 10,000 rounds. Mar 28, 2019 · In his accuracy test video after melting down both a nitride and chrome lined barrel, the nitride barrels accuracy was still much better than the chrome lined. I don't mind some visible rust. thanks Feb 20, 2016 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Jul 14, 2016 · Definitely consider hexagonal boron nitride, tungsten disulfide, or moly coating if you want to increase accurate barrel life in a hot cartridge. This is because the inside of the gun is also treated during the parkerizing Feb 7, 2006 · The only difference we find is that sometimes the chrome moly might take a little longer to break-in and might have a little more affinity for copper or seems to show it easier. Many users feel that with a nitride finish, you do not need the additional chrome lining. It would be much easier to understand if people would use the term "Lined" vs "Non Lined" barrels rather than Chrome Moly vs Chrome Lined. I also apologize for the god awful delay on response. I’m inclined to believe it’s better since geometry intuitively seems easier to control compared to a barrel with chrome added. Nitride vs DLC. I was wondering which would be more accurate from a bench rest precision rifle role. Dec 22, 2012 · Chrome Lined: longer life If you are not a match shooter I would opt for Chrome Lined as it is 1 MOA vs . Gun Tech Caleb takes a look at the difference between Nitride and Chrome Lined Barrels. Wish someone made a good chf chrome-lined for 250 do they? Spikes is 270 and apparently FN CHF and chrome lined. Jan 16, 2022 · So which is it? When I google it it says EITHER a nitrided OR chrome-moly hammer forged. If cost is a big factor, you can get fairly inexpensive nitrided barrels that shoot better than similarly priced chrome lined barrels. Building a precision/long range AR in 6. A nitride finish also increases lubricity. 25" Free Float Ultra Slim Line MLOK or Keymod Handguard. I noticed this too. I'll probably never wear out either so in my case it doesn't matter. They are NOT easier to clean. What is the Difference Between the Two Processes? Chrome Lining. Oct 24, 2012 · Moly faced rings typically bed-in faster than chrome, reaching full sealing capacity more quickly, while providing significantly higher scuff resistance. Jan 13, 2023 · ( another question mark! I can’t help it, dammit! ) Stainless Steel is better for accuracy then Chrome-Moly. Some alloys are more useful than others. But if it is damaged, the unlined steel beneath is inferior and will be more vulnerable. If you are buying some crappy parts kit with a choice of stinless, chrome moly or chrome lined, sure the differences will be smaller. I fully get that. 5″ PSA Lightweight M-Lok free-float handguard. If they do, then its not mil-spec. Expanding your knowledge will help you make the best selection the […] Jun 2, 2020 · Both can be precise, but Nitride will always be more accurate all things being equal. In effect, the entire barrel exterior becomes resistant. in the case of the latter, chrome is electroplated onto the surface of the bore. Sep 10, 2023 · The chrome lined barrel went out around 6-7000 rounds. 0008 in case hardness. Chrome. A little harder to hold tolerance when applying chrome to a rifled bore which can affect the accuracy of the barrel. The low-profile gas block and A2 flash hider complete the barrel assembly. Aug 19, 2022 · Piston ring technology has changed a lot since the “chrome or moly” option. Chrome Moly Vanadium steel contains vanadium. Javascript is disabled on your browser. Who Typically, the answer to the question of 416r vs 4150 all depends on what you, as the shooter, are going for in your intended build and its application. Stainless and chrome moly can both be nitride. We do things like hand lapping to perfectly uniform bore/groove dimensions, polish nitride barrels after processing, and many other refining steps that other manufacturers skip or miss. Also they mention the different types of rifling procedures, tell you which is better. Jan 10, 2010 · - Chrome moly vanadium barrels which were chrome lined offer greater wear resistance over barrels that were nitrided (also known as Melonite, Tenifer, etc). Chrome providers have gotten very good at this over the years, the adhesion of chrome is not perfect and there will be a small degradation in accuracy, though it may not be noticed. What about DD 11. Jan 17, 2006 · All of my chrome moly barreled actions that I've hunted with up here for any period of time have some visible rust on them. The chrome is applied over a rifled bore so there can a variation of thickness of the chrome. Jan 20, 2022 · What are folks thoughts on the current finish options: phosphate (chrome lined) vs. The nitride chrome moly barrels are the only way to go, unless your brazing muzzle devices on, then go with stainless. We use M4 Barrel extensions with a Limited Lifetime warranty against manufacturer’s defects. On barrel life, there are AR15 builders that have tested the barrels side by side with hard chrome lined milspec barrels and have found the throat life of a nitride treated bore to be in some cases thousands of rounds longer than hard chrome. Chrome-Moly-Vanadium are additives to the steel mix. While the Stainless heavy barrel is certainly capable of shooting 1/2 to 1/4 MOA at 100. 0004 to . Nitride is nearly as hard as chrome. Or burst add suppressors to that and your heat even gets higher… so nitride barrel is a very good choice. 750 Gas Block with a . in this case, a very thin layer of chromium is selectively electroplated to the bore and chamber. This is relevant to folks who are considering a new AR-15 upper or barrel – nitriding comes at a lower price and does extend barrel life compared to a bare steel barrel, but it’s not Dec 21, 2019 · CHF is a manufacturing process to make barrels, vs button, cut, broach rifling Nitride is a surface hardening treatment vs chrome lining which layers chrome on the surface You can have a CHF or non-CHF chrome lined or nitrided I think the above "double chrome lined" refers to chrome lining that is 2x as thick as standard chrome lining. So long as the chrome lining is not damaged, it will be superior. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. I had to store some rifles in some very sub-optimal conditions for almost two years. The bore on the nitride barreled rifle was perfect. While it reduces Jun 14, 2019 · Nitride vs chrome lined vs CHF chrome lined is not a big deal unless you're blasting a ton of rounds, and even then the less durable barrel may be more cost effective. 5" mid-length & 18"/20" rifle-length) down the road. Phosphate is an external finish. Feb 6, 2017 · For the general consumer, pro-shooter, and even many military applications, Nitride is a fantastic option. Skip to Content Take 15% Off Nearly Everything On Orders $150+ W/ Code: SHOT15 • Flash Sale: Law Folder Just $199. All three are mil-spec barrel steels, but only the latter contains vanadium. Who has used Hexagonal Boron Nitride,HBN) or Tungsten disulphide,WS2) and compared them to moly. Stainless will give you better accuracy, but have a shorter accuracy lifespan compared to chrome moly. The Sanders Armory 24" 22 ARC Nitride 4150 Chrome Moly Performance Grade Barrel with Tapered HBAR profile with 1:7 Twist Rate is a medium-weight HBAR barrel with Rifle-Length Gas. In 2021, nitride coated AR15 barrels are the most common finish you’ll see regardless of quality, type or brand. Chrome lining a barrel is an additive process. 750” gas block, and 5/8x24 thread. Apr 9, 2008 · Chrome is used to reduce wear and prevent corrosion. Chrome is the first ever coating used on the AR-15's bolt carrier group. Faxon only uses 4150 or 416-R steels in its barrels, the highest grade of each series of steels, carbon and stainless, respectively. I do not understand the nitride thing. Cost is one of the advantages to choosing a nitride coated barrel over a phosphate/chrome-lined barrel. NP3 is a straight superior version of NiB that doesn't lose its effectiveness with wear and is very corrosion resistant; functionally a slightly better chrome and a strictly Oct 29, 2024 · In fact, nitride BCGs are now the most popular units on the commercial market. As has been explained. Grade 416 steel is a free-machining, martensitic stainless steel with a machinability of 85%. 4150CMV steels have a higher surface hardness due to the increased carbon content in the steel (0. Though I heard nitride was better between the two. I guess I didn't phrase my initial question well. I don't obsess about CHF, because if I can afford the $4,000 to $5,000 in ammo it will take to shoot out a barrel on a regular basis I should be able to budget another $150 to $200 for a new barrel. Just because chrome lined is "mil-spec" does not make it better. I think specifically magnetron sputtering. In terms of barrel life and accuracy, we can find no difference. The obvious result is that is wears very well, and is purported to be very durable. Mar 6, 2024 · Suitable barrel alloys include types having varying amounts of chromium, molybdenum, vanadium, nickel and manganese as alloying metals. Jan 2, 2025 · On the basis of performance, nitride wins. 2) Nitride is a cheap, but good process for economy barrels- especially for manufacturers who can't bear the expense of proper chrome. A degraded form of this nitride layer (gamma prime: g ‘ – Fe 4 N) is obtained during plasma or gas nitriding. Mar 3, 2024 · "4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish". To my knowledge the base metal (chrome-moly vandium vs steel) is more durable, but chrome lining as a coating protects the slightly inferior steel. Feb 18, 2013 · Along the same lines as previously said, "used bore" gets iron rings. Why is this? Nitriding is a process that hardens the surface of the material without adding material to the base steel. this increases corrosion resistance, increases lubricity, and decreases cleaning time, but chrome plating can very slightly degrade accuracy due to the non-uniformity of the plating Many gun users prefer using a chrome lining to improve the accuracy of the gun and make the barrel easier to clean. Nitriding vastly increases the hardness of the metal that is treated without changing the material dimensionally like the build up of a hard coat. Nitride “locks in” the bore, chrome will add material to it. Are they g2g? Jul 9, 2014 · Chrome Moly Vanadium (CMV) is one of the most common types of barrels we see on the market today. Posted: 3/28/2019 11:01:50 PM EST About 99% of barrels are made up of one a few different types of steel alloy -- of these, the choice is pretty much between Chrome-Moly steel and Stainless Steel. In What is Chrome Lining? Chrome lining is the classic and most widespread type of barrel treatment developed during the interwar period. The barrel is made from the same material. CHROME LINED – an expensive inner barrel lining applied to a chrome-moly barrel. thanks Search Everywhere Threads This forum This thread Nov 21, 2005 · ORD4150, ORD4150-Resulferized, and Chrome-Moly-Vanadium (CMV) should not be confused with the generic term of a Chrome Moly barrel. ”--LongRangeHunting. Grade 416 stainless steel. Apr 24, 2016 · I "googled" stainless vs chrome-moly 10/22 barrels. Watch that Gap: Unless you are using “gapless” compression rings, the top ring end gaps usually need to be opened up a bit over stock dimensions to accommodate increased thermal expansion from higher Sep 18, 2009 · Generic chrome lined barrels are much HARDER top clean than good stianless barrels. 56 NATO and has a 1:7 twist rate. The vast majority of BCGs that are nitrided are machined with the intention of being chrome lined. A lot of manufacturers claim they feature a mil-spec 4150 chrome moly vanadium steel barrel. Im looking at ordering a barrel from shilen and having it installed on a action i have, and im trying to find out the difference/benefits between going with a chrome moly vs. Apr 16, 2020 · This is kind of a stupid, but from an aesthetic standpoint I don't like stainless steel on guns. May 22, 2010 · "Nitride" barrels are essentially the same as Chrome-Moly, but have undergone a plating process that creates a very tough surface strength. however Jun 8, 2023 · Choosing between plasma moly vs moly rings is a decision that should be based on your engine build requirements, budget, and intended usage. OP, what's your intended firing schedule? Chrome handles heat much better than nitride. The barrels are iden Apr 20, 2020 · I personally look at decent quality barrels, either nitrided or chrome lined, made from quality CMV or 4150 steel, that fit my budget. Upgrade your firearm today. That's my knowledge. one such operation is chrome plating (aka chrome lining) of the bore and chamber. It is equipped with a carbine-length gas system, M4 barrel extension, and a 13. Now, as a side note about specifications, a material specification does not always carry with it a process specification. Those descriptions are very broad, with many sub-varieties falling under those labels. 5% instead of 0. While chrome plating to small arms and sporting weapon bores was applied as a commercially practical process in 1927 in the USA, Japan's Empire was the earliest nation to adopt the military Type 99 Arisaka 7. Nitride on stainless bridges that gap, but requires break in before having it coated. The upper receiver is a forged 7075-T6 A3 AR upper Mar 4, 2024 · Barrel: The chrome-moly vanadium steel barrel is chambered in 5. The company that made the barrel said that was unusual and replaced the barrel. This includes threaded Glock barrels. Posted: 6/6/2019 7:52:48 PM EST Nov 19, 2011 · In simpler terms Chrome Moly equals Chromium Molybdenum. 5″ Barrel – Pistol Length 1:7 Twist – 4150 CMV Nitride – Modern Series. 7"/14. The barrel is threaded for a Flash Hider or Muzzle break with 1/2 x 28 threads. Nitride will never "beat" proper chrome in anything but cost. Nov 21, 2005 · ORD4150, ORD4150-Resulferized, and Chrome-Moly-Vanadium (CMV) should not be confused with the generic term of a Chrome Moly barrel. Chrome barrels should outlast plain steel barrels. Chrome will add material to it. 300 Blackout 10. I'm sure it doesn't help accuracy but don't know for a fact it hurts. The jury is out on whether this is better or worse than chrome lining. The article shows HBN as being the latest and greatest, but shows WS2 and being AISI 4140 is a chromium-, molybdenum-, and manganese-containing low alloy steel (usually referred to as chrome-moly steel). For Apr 7, 2017 · Most barrels will see . 300 AAC; Rifling Twist Rate: 1:7; Barrel Length: 10. We use M4 Barrel extensions with a Limited Lifetime warranty against manufacturer's defects. Oct 2, 2012 · Which is better for Barrels; Chrome Moly Steel or stainless steel. nitride. Chrome is an OG coating that has high corrosion resistance but is usually relegated to lining interior walls and isn't used as a full coating in most cases because of cost. 223/5. With standard length, right bolt, straight fluting, and a recessed lug, this action is engineered for excellence in PPC/BR shooting. Includes M4 Feed ramps, a RIFLE-Length Gas System, 750 Gas Block Acceptance. The tapered HBAR precision barrel has been air gauge tested for long-distance shooting. Go with the nitride. Nitride is even harder and more corrosion resistant than chrome lining and produces sharper rifling which increase accuracy. Sep 23, 2013 · Go Melonite. Aug 11, 2022 · The late Nick Harvey (1931-2024) was one of the world's most experienced and knowledgeable gun writers, a true legend of the business. The military uses Chrome line because their rifles are full auto. It has that smooth, glossy black surface. It’s also better for resisting heat. com (Dated: 10/2004) Searched for: “chrome moly or stainless steel”) Jun 8, 2018 · Chrome-Moly Vanadium vs 4150V (same?). It contains the same elements as 4150 steel. Often double the length of standard chrome moly barrels. The latest tech for barrel improvements are high energy vacuum deposition processes. Feb 28, 2022 · When it comes you barrel steel, you’ll choose between Chrome Moly or Stainless. To combat this issue, protective coatings such as chrome lining, nitriding, or phosphate finishes Dec 8, 2021 · CHF machinegun steel with Chrome Lined bore > Chrome Line = Nitride > Parkerized > stainless In terms of pure corrosion resistance: Chrome and Nitride over carbon steel are on par with each otherfor all practical purposes and both are slightly better than plain stainless. com Feb 13, 2019 · If precision is more important than firing schedule, then nitride is hands down the winner unless Criterion offers a chrome lined barrel in the format you want. Naturally 416r stainless comes to mind. Used similar to hot blue {Oxynate #7}, in my experience it works better if you just bead blast the surface so that it appears flat or matte black. Freedom Nitride barrels So I'm confused. Plasma moly rings offer superior performance and durability for high-performance and racing engines, while moly rings provide a cost-effective option with good overall performance. Apr 13, 2012 · Now, I have a 16" carbine non-Chrome lined chrome moly button rifled barrel on my Delton and a 16" carbine chrome lined hammer forged barrel on my Spikes/Daniel Defense AR and I cannot tell the differences between the two at 100 yards when firing from a bench rest as they are both about the same as accuracy goes. But chrome molybdenum is better for wear. SS barrels are more synonymous with match grade accuracy (if made correctly), but accuracy probably isn't a huge priority for a pistol build. I've sold most of them and converted to stainless. Fresh bore gets moly. Along with that is that the entire barrel, both inside and outside, undergo the same process. Apr 9, 2020 · What about DD chf and chrome Also there's a 14-21day wait just to order @ Sionics. 4150 is not Chrome-Moly-Vanadium. But I don't like to have my bores corrode, so I migrated to stainless long ago. He wrote about firearms and hunting for about 70 years, published many books and uncounted articles, and travelled the world to hunt and shoot. Sep 4, 2023 · Both can be precise, but Nitride will always be more accurate all things being equal. Think moisture and humidity. This set up starts with a AR15/M16 PREMIUM Upper Receiver with Steel Door and Forward Assist. Jan 2, 2025 · Above: AR15 BCG finishes (l-r) Toolcraft Titanium Nitride, BCM BCG with Robar NP3+, Toolcraft Nickel Boron, Toolcraft Black Nitride, Colt BCG refinished in Chrome with Nickel Boron Gas Key, Toolcraft Diamond Like Carbon (DLC) Finish, Toolcraft Chrome Phosphate. Chrome-Moly - This name is used to describe a broad family of steels, the most common in use for the AR are 4140 and 4150 the 41xx indicates the AISI-SAE numbering for Chromium Dec 22, 2020 · The barrels you are comparing are Unlined<Nitride<Chrome. May 2, 2018 · Chrome lined barrels handle heat better than CMV, SS or Nitride/Melonite/QPQ CMV/SS barrels. In Europe, vanadium and nickel-steel alloys are preferred. This is what is typically found in mil-spec firearms. This is what most barrels that are not made from stainless steel are made of. is called SAE 4140 chrome-molybdenum or "chrome-moly" steel. We must choose individual components for our engines in much the same way, fully understanding how they must work together to get the best results — piston rings Aug 26, 2008 · OK, Ive read the bit on different bullet coatings available now, but it doesnt compare the different coatings much. 5 MOA for stainless. The Sanders Armory 18″ . Remember, the surface of the bore alters its chemical structure to become a harder material. I don’t understand how that translates to a better rifle barrel… Typically which grade of stainless does PSA use for barrels? I’m assuming a 316 or 416… What are the advantages and disadvantages for the stainless? In all; phosphate barrels are tough, rugged barrels that can take a beating. booth at SHOT Show and talking barrel accuracy with Joshua Buege and Team Clevenger Shooting's Heath and Niki Clevenge The Sanders Armory AR-15 18″ 6MM ARC Nitride Chrome Moly 1:7. Both are excellent finishes that are very hard, smooth and high performing. 223 Wylde Nitride Chrome Moly Barrel with 1:8 Twist with M4 Contour profile. Jul 17, 2021 · And since it is applied at such high heat, it stays and works quite well on the interior of the barrel. The two alloys have different wear characteristics. Added performance: Jan 13, 2018 · Chrome lined is chrome lined, not chrome plated. Some ring suppliers improve the abrasion resistance of their moly coatings by combining it with a nickel chrome alloy (which increases face life by 65 percent compared to conventional moly Apr 21, 2017 · We're going to find out at what point this rifle will fail and take a look at what the barrel will look like when we get done with it. Virtually all major manufacturers use nitride BCGs in their AR-15s. The bright shiny silver just does not do it for me. Though it goes by a few different abbreviations, most commonly CMV or CroMoV, 4150 Chrome-Moly Vanadium is the material specified by the military for use in barrel blanks under 2-inches in diameter per MIL-B-11595E. My opinion and the opinion of the US Government (as defined by the Mil-Spec) is that one of the three is not better than the others. 5" with 12" slant rail and flash can Jan 9, 2014 · I asked on another thread about the maker of a buffer tube and when I went to MAS Defense's website I got to looking around. Now let’s move on to Nitride barrels. Chrome providers have gotten very good at this over the years. This is where the rubber meets the roa d. This Premium AR15/M16 Mil Spec Upper Receiver with MPI Tested Mil Spec . A popular example and perennial favorite in the U. For nostalga, phosphate wins. The adhesion of chrome is not perfect and there will be a small degradation in accuracy, though it may not be noticed. Barrel Material: 4150 Chrome-Moly Vanadium (CMV) steel; Caliber: . Mar 31, 2021 · Most people probably assume all chrome is the same, but there are essential differences between the types of chrome — chrome vanadium and chrome molybdenum — used for crafting hand tools. I have a CMMG "WASP" 16 inch M4 barrel in my Spikes Tactical M4 upper. I do have a follow up question. Another was nitride inside and out. Melonite, WASP or nitride treated. Though you will need to keep a coat of oil on it to fend off any surface rust. There's plenty of actual evidence all over the place for chrome lining. This is because the chrome adds a layer of protection over the steel, whereas the nitride barrels are treated (nothing is deposited). S. 7mm rifle with a chrome-plated bore. It also contains Vanadium. An added benefit is chromes excellent corrosion resistance and it makes the barrel a bit easier to clean. 4150 CMV is known for being used in the United States military, but very little difference can be noticed between the two applications. 2 lbs; Price at time of chrome lining adds corrosion and durability and they needed a coating for the exterior so phosphate was chosen because it "absorbs" oil and holds it pretty well vs a blued finish. As far as corrosion resistance, parked and CLd vs nitrided= nitrided is superior. I can buy a barrel in 4142 chrome-moly, 416 stainless, 4140 chrome-moly, chrome vandamium, 410 stainless with chrome or melonite linings Diamondback Firearms 6. I forgot about water resistance for stainless so that sounds real nice. Apr 8, 2023 · In contrast, nitride barrels maintain their performance for a longer period, owing to their wear-resistant surface treatment. TBH don't take it as Apr 19, 2020 · Stainless can be "blackened", cant remember the number, but Brownell's offers an "oxynate" that works on stainless. 56 NATO/300 Blackout Nitride BCG and Bolt with Phosphate extractor features a 18″ . When a barrel is Chrome Lined it adds a thin layer of Chrome to the bore of the barrel. And whichever it is, the powder blast is safe right? I know to keep it away from the plastic parts as well according to this video (it also says a "Chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter ") Thank you. Chrome lined and nitride barrels are more wear resistant than untreated stainless steel, so if you're planning on shooting fast more than occasionally, you may see a benefit in choosing a chrome lined or nitrided barrel in terms of overall barrel life. I’ve seen no reason to jump toward a nitride bolt carrier group. The nitride layer is composed of two principle zones. Chrome was only abandoned in favor of phosphate due to manufacturing costs. The NIB carriers and bolts will discolor, some have the coating chip off. Nov 16, 2023 · Everything I have read about the ak-74 is that all the barrels are 4150 CMV Nitride inside and out. Dec 31, 2009 · the bore of the barrel can be left "as cut", or it can be plated with chrome. It is no myth that stainless takes the rifling easier than chrome moly and results in more precise Sep 17, 2016 · Stainless Nitride/melonite/QPQ treated (names for a similar process) 4140 4150 series ie 4150, 4150V, CMV 4140 Nitride, etc (not sure if anyone actually does a nitrided 4140 barrel) 4140 Chrome Lined 4150 series Nitride, etc 4150 series Chrome Lined There is probably some debate or disagreement with me about the order. Not uncommon to see an oil-bath air cleaner on engines designed for chrome rings. 56 NATO 1/7 NITRIDE MOE UPPER WITH BCG, CH, & MBUS REAR SIGHT, BLACK Nitride is a surface treatment so it doesn't change the dimensions of the carrier. Nov 15, 2012 · Mil-spec 4150 steel does not contain any vanadium. It shoots MOA if I do my part. 5 Twist Medium Contour COMPLETE Upper Assembly with BCG and Charging Handle. The hex boron nitride is particularly good at dealing with high temperatures as it doesn't oxidize until something like 2000 degrees. There are only slight differences between the 4150 and the 4140 forms, and while the 4150 is the standard for the U. Cycling rounds sub sonic and the faster one, buffer springs work. More corrosion resistance and more wear resistance. The coated ones and the nitride models do cut cleaning time down, but only to a small degree. Some of the biggest differentiates come into play with nitride vs stainless steel barrels when it comes to accuracy and performance. And by the way kreger does make M14 , M1's and M16 barrels and they are considered some of the most accurate in these rifles Mar 15, 2017 · These barrels are listed as being made from 4150V Chrome Moly Steel, and can come in a variety of Gas systems, profiles, and twists. This is mitigated somewhat by electropolishing, but one cannot perfectly plate chrome. They seem to have decent prices on pistol barrels so I was considering them. Weight: 2. It also includes a RIFLE-Length Stainless Steel Gas Tube, Low Profile . That chrome plating can diminish the effectiveness of the rifling but the accuracy loss to the average shooter may be completely negligible. And yes, while chrome-lined is superior, I was used to seeing their offerings in nitride or phosphate finishes, other than their CHF's, and then no more phosphate. But there is another kind of evil which we must fear most, and that is the indifference of good men. However I've read that stainless is often a better choice because it won't rust and is much more resistant to the environment in general. They clean up easier, are accurate, light and handle semi auto mag dumps with little point of impact change. I don't really know the difference and was looking for help on picking a new barrel. Which would you get? Which is better? Which is the better deal? I have the Nitride 10. I have plenty of chrome lined barrels that are holding up well too. 5 CHF chrome line, but its 300 and doesn't even have option to pin LPGB. 5″ Barrel Profile: DRP; Gas System: Pistol; Finish: Nitride (QPQ) Weight: ~1. Aug 22, 2014 · It is a way to make the barrel last longer during rapid fire because chrome is harder than either stainless or chrome-moly and makes the lands less prone to erosion when they are hot. I have another nitride barrel with over 15,000 rounds that is still holding 1 MOA. They generally make it harder and more corrosion resistant. then nitriding comes along and makes it so you can finish both the bore and exterior with one quick dip in a super hot tank. Most barrels that you see marketed as Chrome lined or Nitrided are made from a 4140 or 4150 CMV steel. It is no myth that stainless takes the rifling easier than chrome moly and results in more precise Sep 10, 2023 · The chrome lined barrel went out around 6-7000 rounds. 223 Wylde Nitride Chrome Moly M4 Contour Barrel with 1:8 Twist. a stainless barrel?? this is going to be a lightweight hunting rifle if that makes a difference. It’s a good idea to learn more about these two types of chrome. Jun 1, 2013 · On barrel life, I can not name the companies, but both are AR15 builders and large ones, and both have tested the barrels side by side with hard chrome lined milspec barrels and have found the throat life of a nitride treated bore to be in some cases thousands of rounds longer than hard chrome. May 10, 2023 · As an example, the Plasma Moly ring package listed in the JE ring chart is an excellent ring package specifying a carbon steel nitride top ring with a ductile iron second. A less expensive version of that combination would be the Sportsman Series ring package that specs a plasma-sprayed ductile iron top ring combined with a grey iron second ring. Mil-spec carriers are machined to be chrome lined on the inside and the chrome lining makes the three-bore tighter, making it seal gas better. Aug 31, 2021 · Chrome lined barrels are less accurate than nitride barrels because to get a chrome-lined barrel, chrome plating has to be added on top of another material within a barrel’s bore. 4%) which is desirable. One rifle had a cheap phosphate barrel coating inside and out. Jan 29, 2022 · From a metallurgical standpoint I understand the differences between stainless and chrome moly steels. Nitride vs Stainless Steel Performance. The battle between these two smooth finishes comes down to cost vs performance. Aug 20, 2021 · The most popular kind of barrel material is chrome-moly steel, specifically 4150 chrome-moly steel. 223 Wylde Nitride 4150 Chrome Moly Steel Upper Assembly comes with M4 barrel extensions with a Manufacturers Limited Lifetime warranty against manufacturers defects. Jan 7, 2025 · Explore the BAT Machine 3L Chrome Moly Action - a polished, precision-crafted marvel. sps uzrzu azl isi vsdwh jcy hhwus tvrw jqwd twqhmnmwd