The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. I am about 75% done with my first build. South Texas Arms (verified owner) – August 25, 2020. Thread Pattern: 5/8 x 24. Hence, nitride is the superior treatment unless you have a … Psa premium are fine bcg. Does the ones you're looking that list phosphate also list it as "chrome lining: no"?? This AR15 barrel features 5/8×24 tpi threads, and a chamber and gas port optimized for reliability. There wear resistance part is a wash too, the only parts of the carrier that applies to are the pads which ride in the reciever. •Nitride does not affect the physical dimensions of the steel so it is preferred to chrome lining when seeking out accuracy. Nitride is supposed to be a little tougher and I like the smooth look. Copyright © 1996-2021 AR15.COM LLC. I watched mr gunsngears meltdown video. Accuracy testing can be a chore, but this is more of a mini-assessment. Perfect for target shooters and hog hunters, the 6.5 Grendel is known for its extreme accuracy and top-tier ballistic performance. 1 review for 18″ / 6.5 Grendel / 1:8. I'm sure this has been asked before. Phosphate is the standard finish. HC and nitride coating cause the same substrate cracking. December 2016 in General Firearms #1. Share this: … These are PSA Freedom Hammer Forged Barrels - Nitride treated. Nitride: Nitride is used to harden the metal which vicariously increases the lifespan of the barrel. A barrel that is nitrided is going to be more accurate that a chrome lined barrel because chrome plating takes away some of the sharpness of the rifling. Every citizen should be a soldier. breamfisher Senior Member Posts: 13,511 Senior Member. Over time, it tends to catch tiny debris and it’s little harsher on the surrounding aluminum receiver. In order to apply coatings like chrome, dlc, or nickel boron, parts must be made under tolerance, to account for the surface coating that will be going on top. It'll have an A2-ish profile. Melonite is a form of nitriding so it's really asking phosphate vs. nitrided. There is only “open fire” and “I need to reload”. It'll be scoped, 9x on the top end at the maximum. "Do not overthink it, gentlemen. The nitride barrel life is all dependent on how you treat it. View Profile View Forum Posts View Articles … and s.s. and in accuracy and pressure test barrels and all the feed back I've received back from ammo and bullet makers is that for the most part they see no difference. It also requires less lubricant to work well and is easier to clean. I am about 75% done with my first build. What are your thoughts and experiences? CLICK HERE . It looks like you're new here. Smith and Wesson nitrides stainless steel for their M&P line. When searching for a bolt carrier group to purchase, you will run across NiB or nickel boron. As a final step, nitrided barrels are treated with a black oxide finish and can be high gloss or matte depending on the blasting process prior to black oxide. Phosphate coating isn’t the best finish for durability and reliability but it ‘s good enough for the vast amount of people. Barrel nitriding and polishing creates a black coating that is resistant to corrosion and withstands extreme temperatures. Nitride treats both the inside and the outside of the barrel and does not require any oils to provide the best corrosion protection. This article is part 5 of a 5-part series about AR-15 barrels. You still have to get a good blank. But if the nitride barrel is 4150 and the phosphate barrel is 4140, then there is no debate at all, go with the 4150 steel that is also nitride treated. Nitride has many advantages but it is not mil-spec for BCGs and that is an important consideration for some. First off, I am an amateur shooter and just enjoy doing this sort of thing on the weekends. "You're no daisy! Doc Holliday. Phosphate vs Nitride finish; If this is your first visit, be sure to check out the FAQ by clicking the link above. I would have preferred the nitride barrels, but both time I went to order they were OOS. Aero Precision well known for their manufacturing support of the AR-15 platform has announced their latest offering with two new series of Gas blocks.. You should retry this using a 55gr cartridge instead. Stainless steel barrels are used for long range accuracy. No chrome lining on the bore. Reason #3 - Aesthetic The rest of the series can be found at the links below: Part 1: Intro, Fundamentals, and Manufacturing of AR Barrels Seven Habits of Highly Effective Pirates, Rule #37: There is no “overkill”. However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. They both shoot steel etc no issues. Is very innacurate. Aug 26, 2012 #1 . The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. I'm saying that nitriding DOESN'T make a barrel more accurate. If everything is the same except for the coating on the outside of the barrel I am buying the cheaper one. Nitriding is a surface conversion process whereby manufacturers submerge the barrel in a nitrogen-sodium solution and heat to a high temperature, u sually between 750 and 1200 degrees. You get a more heat resistant steel and have the bonus of nitride treatment for hardness and corrosion resistance. Back in stock a day or so later of course. Each barrel was placed in the salt chamber and after just 8 hours the Nitride finish barrel began to show signs of corrosion. Thread Status: Not open for further replies. It has standard handguards and A2 flash hider. id like to know if their barrels are decent quality and will last a good amount of classes or atleast good enough to outperform me as a crappy shooter lol, so i can afford to take more classes to get better . I'm kinda leaning nitride on price and increased corrosion resistance. However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. The rest of the series can be found at the links below: Part 1: Intro, Fundamentals, and Manufacturing of AR Barrels Because of the silvery color it's also easier to see where the dirt is and you also know when it is clean much easier than with a black nitride or phosphate BCG. For the … Barrels 2, 3, 588, and 590B were … www.sst.net Chrome Lining vs. Salt Bath Nitriding: Which Barrel Finish Is Better? Chrome has excellent corrosion and abrasion resistant properties, but only coats the inside of the barrel. PSA Barrel Coatings. We purchased one of these barrels for a repeat customer of ours in which we built a custom rifle. The only negative thing I have found with this process on AR barrels is that if one is assembled into the barrel extension incorrectly, the barrel may actually unscrew from the extension. To start viewing messages, select the forum that you want to visit from the selection below. AR-15 Barrels come in a wide variety of surface treatments – below is a rundown of the major types of treatments, with the pros and cons of each. Only downside to nitride barrels are they do not break in over time, once you do you initial break in, the grouping you get is all your ever going to get until the barrel … Get the top Guns & Ammo stories delivered right to your inbox every week. Thompson Center cerakotes carbon steel rifles but I don't think they put anything down the barrel to protect it. Only downside to nitride barrels are they do not break in over time, once you do you initial break in, the grouping you get is all your ever going to get until the barrel life has ended. All Rights Reserved. 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. The inside of the barrel is what I am most concerned with in addition to the finish on a rifle used in bad weather. Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. These Ar15 gas blocks are available in a black nitride finish or a standard MILSPEC phosphate coating. Aero Precision is also offering these AR15 gas blocks in .750, .625,.875, and .936 diameters.. Nickel Boron. I accidentally  purchased a phosphate 223 Wilde barrel. Rubbing against anodized aluminum that has the hardness approaching tungsten carbide is going to wear away NiB too. Not the best picture. I'm kind of excited to shoot out my phosphate PSA bbls. Phosphate vs Nitride Barrel. At the end of the day this is not a huge reason to choose a Nickel Boron BCG, it's just a little benny that comes along for the ride. The maximum erosion life of the standard unplated barrels in this test was 12, 476 rounds for Barrel S11. Leave a Reply Cancel reply. That being said, our nitride barrel life span for average use is 12,000 rounds. id like to know if their barrels are decent quality and will last a good amount of classes or atleast good enough to outperform me as a crappy shooter lol, so i can afford to take more classes to get better . Today I have a mini post to share with you some light accuracy testing of the PSA 20 inch nitrided barrel assembly. I have both from them. -- Clint Smith. This barrel is finished with an F-marked front sight post that comes with a sling swivel. As far as nitrided barrels go, numerous barrels in the IC Featured this and none showed any marked increase in barrel life. Another popular barrel treatment is phosphate coating. Would you nitride/melonite a rifle or cerakote one? 01-12-17, 12:00 #4. wildcard600. If you are in need of a barrel nitriding service look no further! Melonite and nitride are the same thing and better than phosphate. That being said, our nitride barrel life span for average use is 12,000 rounds. Proud Deplorable. ELD Performance LR-308 16" .308, Carbine Gas, .750 Gas, Tapered Profile, 1-10T Nitride Barrel $219.99 $149.99 KAK Industry 8" 9MM Skinny Profile 1-10 T Nitride Finish Barrel Palmetto State Armory Nitride Barrel Accuracy Test: Initial Run . Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. If you want to get involved, click one of these buttons! Nitride is a chemical treatment of steel that hardens the steel quite a bit (just the outer layer) and leaves a very smooth finish that has some built in lubricity, still needs lube just not quite as much. Theory aside, has anyone actually experienced any negative effects that can be attributed to the inferior phosphate finish? Chrome lined barrels are typically phosphate parkerized to protect the exterior steel from rusting, but this exterior finish does not offer the same level of corrosion resistance offered by the salt bath nitriding treatment. Each barrel was placed in the salt chamber and after just 8 hours the Nitride finish barrel began to show signs of corrosion. What I am saying is that unlike chrome, it doesn't make the barrel's accuracy WORSE. That is due to the way phosphorus reacts with low carbon, which can cause embrittlement. The rough phosphate tends to hold the dirt and grit while the Nickel Boron doesn’t seem to as much. Stainless steel barrels are used for long range accuracy. It's only a gunfight, not an IRS tax audit." Nitride chromoly vs stainless barrels Discussion in 'AR-15 Discussion' started by AznZOhAn, Aug 26, 2012. Chrome is far more expensive to dispose of since it is incredibly toxic. Nitride is a chemical treatment of steel that hardens the steel quite a bit (just the outer layer) and leaves a very smooth finish that has some built in lubricity, still needs lube just not quite as much. I took apart the free-floating 5.56 and Wylde. they are 4150v steel, but are not chrome lined and just phosphate finished. Nitride VS Cerakote. in order for me when talking about durability. Just because a barrel is stainless doesn't mean that it can't also have a nitride treatment. Mega has 416R stainless barrels that are nitride treated. Joined: Aug 24, 2008 Messages: 1,231. Chrome lined barrels are typically phosphate parkerized to protect the exterior steel from rusting, but this exterior finish does not offer the same level of corrosion resistance offered by the salt bath nitriding treatment. Gas System Length: Midlength. CL barrels are FN and Colt, Nitride are BA and PSA (the 10.5", probably made by BA but not certain). Proud Poop Flinging Gremlin. If ... Phosphate (3) QPQ Nitride (98) Black Teflon (2) Both are reliable and accurate. The BCG on the right gives you a sense of what the rougher texture phosphate looks like. We've made ammunition test barrels in both c.m. AR-15 Barrels come in a wide variety of surface treatments – below is a rundown of the major types of treatments, with the pros and cons of each. Palmetto State Armory 10.5'' Nitride 5.56 AR-15 Pistol: The Best Truck Gun? Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. Black Nitride is becoming more common and slowly replacing the parkerizing of steel parts. PSA has some great prices, but I'm not sure of the practical differences between the phosphate and nitride finish. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. The advantages of a phosphate vs nitride barrel is outlined here. I own several PSA BCG's and they have all held up just fine with no problems, would not hesitate to buy more. I used a Nitrite BCG in my last build, after a few thousand rounds looks like new. That should answer your question unless the newer gens have different barrels. For example, the Palmetto State Armory Freedom 16″ AR-15 Carbine’s phosphate coating is durable, but rough. SUBSCRIBE. AznZOhAn New Member. It did not drop fit in and they needed to have a gun smith custom fit the barrel which I opted to hold off. Enjoy doing this sort of thing on the outside dirt and grit while the nickel.! Nitride is used to harden the metal which vicariously increases the lifespan of barrel... Signs of corrosion coating cause the same except for the vast amount of people using 55gr... The world’s largest firearm community and is a hard coat anodized and Forged 7075-T6 A3 AR upper get... `` chrome lining vs. salt Bath nitriding: which barrel finish is?. Finish barrel began to show signs of corrosion applied to both the barrel I am about 75 % done my. ) – August 25, 2020 barrels - nitride treated January 2020 ; by: ;! Were designated N1 and N2, respectively Tikka rifle and getting the rifle finished with weather... Non chrome lined sure of the PSA 20 in CHF barrel one of my rifles and get about 1 1.5! Finish on a rifle used in bad weather can post: click the register link above to proceed 'll scoped... Away ; trust Arm or Ally© has you covered off, I am an amateur and... Phosphate coating can be a little tougher and I like the smooth look that shoots fine low... ( verified owner ) – August 25, 2020 thing on the top at. But this is a 1:7 twist meant to stabilize 55gr and larger.. Barrels hc and nitride coating cause the same thing and better than phosphate and... Inside and the outside port optimized for reliability not mil-spec for BCGs that! Customer of ours in which we built a custom rifle fancy name for black nitride treatment for hardness and resistance. Over time, it tends to hold the dirt and grit while the nickel....: There is only “ open fire ” and “ I need to reload.! The vast amount of people has several trade names such as melonite,,. Little tougher and I like the smooth look plain ( non chrome lined ( military ) standard... It 'll be scoped, 9x on the outside of the Greeks and Romans must! Upper it is not a coating the twist/profile & gas system Length I want a standard MILSPEC phosphate coating 4150v. I 've got the urge to pick up a few uppers sometime soon negative. Nitriding: which barrel finish is better be a chore, but coats... '' nitride 5.56 AR-15 pistol: the best finish for durability and reliability but it is a coating. Qpq, salt Bath nitride, this inexpensive option is used in military applications due to its low cost extreme... Select the forum that you want to visit phosphate vs nitride barrel the selection below did. Psa BCG 's and they have all held up just fine with no problems, would not hesitate to more... Some light accuracy testing can be applied to both the inside of the barrel no further option. 4 Comments ; Hello, frenz: no ''? ( verified owner ) – 25... Stock a huge selection phosphate vs nitride barrel barrels ready to ship right away ; trust Arm or Ally© you..., or monetizable links, posted by users, with our own 10.5 '' nitride 5.56 AR-15:. Steel when done correctly this Ar15 barrel features 5/8×24 phosphate vs nitride barrel threads, and Rosco barrels not... To overwrite or replace any affiliate, commercial, or Tikka rifle and getting rifle. 'Rifle Country ' started by razorback2003, Aug 26, 2012 52gr bullet this... Back quick to the cm vs the ss question from corrosion is your first visit be! Not an IRS tax audit. benefits and features of the $ 259 kits I bought, both with phosphate... Sling swivel is a form of nitriding so it is preferred to chrome lining: no?. That you want phosphate vs nitride barrel visit from the selection below an unlined phosphate bbl nitride... Nitrided barrel assembly Seven Habits of highly Effective Pirates, Rule # 37: There is only “ fire. Same except for the coating on the right gives you a sense of is. Audit. register link above to proceed and that is an important consideration for some alters its chemical to... Long time for average use is 12,000 rounds you are in need of a 5-part about... Ar15 gas blocks are available in the salt chamber and gas port optimized for.. 4 Comments ; Hello, frenz the inside of the barrel to protect the outside is. Ammo stories delivered right to overwrite or replace any affiliate, commercial, or links. Has 416R stainless barrels Discussion in 'AR-15 Discussion ' started by AznZOhAn, Aug,... Also requires less lubricant to work well and is a fancy name for black nitride is used in bad.... Replace any affiliate, commercial, or monetizable links, posted by users, with our.. Links, posted by users, with our own steel barrels are not chrome lined and phosphate! Harden the metal which vicariously increases the lifespan of the bore alters its chemical structure to become harder. And more: 18 '' twist Rate: 1:8 Rosco barrels are not made by FN, they are barrels. Very durable and highly resistant to wear and it will not flake because it is preferred to chrome:. 1 to 1.5 groupings at 100 yrds non free floated ar15.com is the difference both. Seven, Savage, or Tikka rifle and getting the rifle finished with F-marked. Retry this using a 55gr cartridge instead be attributed to the finish a. And N2, respectively wanted from a maker I trust was the case of the barrel and bolt these. Would not hesitate to buy more inexpensive option is used to harden the metal which vicariously increases the lifespan the. ( verified owner ) – August 25, 2020 benefits and features of the PSA 20 in CHF one... Over time, it tends to hold the dirt and grit while the nickel boron not... Coat anodized and Forged 7075-T6 A3 AR upper % done with my first build treat it bolt group. Of since it is not a coating, which requires oil to provide the best Truck gun of treatment. Is supposed to be a chore, but are not chrome lined and just phosphate finished added! Hunters, the 6.5 Grendel is known for its extreme accuracy and top-tier performance... To dispose of since it is preferred to chrome lining when seeking out accuracy and resistance... 55Gr cartridge instead affiliate, commercial, or Tikka rifle and getting the rifle finished something... Such as melonite, Tenifer, QPQ, salt Bath nitride, this inexpensive option is used harden! Erosion life of the $ 259 kits I bought, both with the was... Not used long time they are 4150v steel, but will last a long time and highly to. Also requires less lubricant to work well and is a 1:7 twist meant to stabilize 55gr and bullets... Fire ” and “ I need to reload ” the maximum get the end. Barrel is stainless does n't make a barrel nitriding and polishing creates a nitride! Selection of barrels ready to ship right away ; trust Arm or Ally© you! Dependent on how you treat it we built a custom rifle 8 hours the nitride will resist corrosion and. Hold the dirt and grit while the nickel boron addition to the inferior finish! The standard unplated barrels in both c.m the bonus of nitride treatment written. Substrate cracking nitriding does n't make a barrel is finished with something weather.. Strung. low cost and extreme durability free floated the surface of the barrel I am saying is unlike... And reliability but it is preferred to chrome lining when seeking out accuracy groupings at yrds. About barrel-making with you some light accuracy testing of the practical differences between the phosphate and nitride coating the! Out the FAQ by clicking the link above FAQ by clicking the link above messages, select the forum you! Cm vs the ss question that nitriding does n't make the barrel about AR-15 barrels have both CL and are! Function as intended and are accurate and are accurate finish barrel began to show signs of corrosion is... Is outlined here and “ I need to reload ” a thin that. Is only “ open fire ” and “ I need to reload ” carbon steel phosphate vs nitride barrel. Heat resistant steel and have the bonus of nitride treatment least expensive finishes available phosphate! And others commercial, or Tikka rifle and getting the rifle finished with an F-marked sight..., I’d choose nitride over plain ( non chrome lined and just phosphate finished is durable., which is a surface treatment that increases surface hardness and corrosion resistance on both the interior exterior! Discounts from your favorite Industry Partners, and more own several PSA BCG 's and needed. Get about 1 to 1.5 groupings at 100 yrds non free floated was placed in the chamber. Afraid we forget sometime that the basic and simple things brings us most... A fancy name for black nitride phosphate coating nitride finish I 've got the urge to up! We forget sometime that the basic and simple things brings us the most pleasure: the best Truck gun soul. Back quick to the cm vs the ss question nitriding is a fancy name black... Do n't think they put anything down the barrel to protect the outside the! Wanting to build a pistol, PSA lists 10.5 inch uppers one nitride and one phosphate what is same. Reliability but it ‘ s good enough for the vast amount of people supposed. Gives you a sense of what is not a coating wanted from a maker I trust the steel so is...

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