December 2016 in General Firearms #1. Another popular barrel treatment is phosphate coating. This article is part 5 of a 5-part series about AR-15 barrels. Melonite and nitride are the same thing and better than phosphate. I own several PSA BCG's and they have all held up just fine with no problems, would not hesitate to buy more. Back in stock a day or so later of course. Phosphate is just fine, requires plenty of lube, but will last a long time. they are 4150v steel, but are not chrome lined and just phosphate finished. Mega has 416R stainless barrels that are nitride treated. razorback2003 Member. Barrels 2, 3, 588, and 590B were … 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. •Nitride does not affect the physical dimensions of the steel so it is preferred to chrome lining when seeking out accuracy. All Rights Reserved. What are your thoughts and experiences? Nitride has the edge when it comes to smoothness and hardness. Phosphate is just fine, requires plenty of lube, but will last a long time. Melonite is a form of nitriding so it's really asking phosphate vs. nitrided. These are PSA Freedom Hammer Forged Barrels - Nitride treated. Nickel Boron. That means its good inside the AR-15 or on the outside. Nitride: Nitride is used to harden the metal which vicariously increases the lifespan of the barrel. It's only a gunfight, not an IRS tax audit." You still have to get a good blank. I am thinking about buying a Remington Seven, Savage, or Tikka rifle and getting the rifle finished with something weather resistant. The nitride barrel life is all dependent on how you treat it. Budget-conscious buyers who want something that works and can overlook some details like perfect finishing and dead-on accuracy That being said, our nitride barrel life span for average use is 12,000 rounds. 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. Poor soul, you were just too high strung." 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. When searching for a bolt carrier group to purchase, you will run across NiB or nickel boron. ©2020 Outdoor Sportsman Group. Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. Psa premium are fine bcg. 1 review for 18″ / 6.5 Grendel / 1:8. It'll be scoped, 9x on the top end at the maximum. 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. I am about 75% done with my first build. Rubbing against anodized aluminum that has the hardness approaching tungsten carbide is going to wear away NiB too. 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 It'll be scoped, 9x on the top end at the maximum. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. When you compare phosphate vs nitride, this inexpensive option is used in military applications due to its low cost and extreme durability. Phosphate is the standard finish. It did not drop fit in and they needed to have a gun smith custom fit the barrel which I opted to hold off. 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. It'll have an A2-ish profile. So I'm wanting to build a pistol, PSA lists 10.5 inch uppers one Nitride and one Phosphate what is the difference. 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. 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. Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. 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 … Perfect for target shooters and hog hunters, the 6.5 Grendel is known for its extreme accuracy and top-tier ballistic performance. The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. All Rights Reserved. For example, the Palmetto State Armory Freedom 16″ AR-15 Carbine’s phosphate coating is durable, but rough. I'm sure this has been asked before. You will still get carbon build up … I have two of the $259 kits I bought, both with the phosphate barrel. Discussion in 'Rifle Country' started by razorback2003, Aug 23, 2015. "You're no daisy! We purchased one of these barrels for a repeat customer of ours in which we built a custom rifle. Cheapest available in the twist and contour I wanted from a maker I trust. Palmetto State Armory 10.5'' Nitride 5.56 AR-15 Pistol: The Best Truck Gun? I know Glock and Walther basically nitride carbon steel. This article is part 5 of a 5-part series about AR-15 barrels. That has the twist/profile & gas system length I want. 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. PSA Barrel Coatings. The BCG on the right gives you a sense of what the rougher texture phosphate looks like. You can nitride a 4140 barrel and it will hold up very well, often almost as long as a 4150 barrel that is chrome lined. That backs up … If everything is the same except for the coating on the outside of the barrel I am buying the cheaper one. Aug 26, 2012 #1 . That should answer your question unless the newer gens have different barrels. I watched mr gunsngears meltdown video. Smooth is fast, fast is smooth; I've never seen a stopwatch in a gun fight. Proud Deplorable. 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. Barrel Nitriding vs Chrome Lining. Get the top Guns & Ammo stories delivered right to your inbox every week. For the … First off, I am an amateur shooter and just enjoy doing this sort of thing on the weekends. Remember, the surface of the bore alters its chemical structure to become a harder material. The inside of the barrel is what I am most concerned with in addition to the finish on a rifle used in bad weather. If you are in need of a barrel nitriding service look no further! Share this: … I accidentally purchased a phosphate 223 Wilde barrel. "Do not overthink it, gentlemen. This is the description from sig's website for the 516: "With its chrome-lined, phosphated, military grade barrel and adjustable, four-position gas regulator, the SIG516 incorporates all of the most desirable mechanical improvements." Barrel Length: 18" Twist Rate: 1:8. This is the next logical step in non-chrome lined barrels, bringing the durability of hammer forged barrel steel to the affordable and accurate Freedom line of uppers. Thompson Center cerakotes carbon steel rifles but I don't think they put anything down the barrel to protect it. In a PSA build, Iâd choose nitride over plain (non chrome lined) parkerized barrel. It'll have an A2-ish profile. breamfisher Senior Member Posts: 13,511 Senior Member. Machined from 4150 chrome moly steel with a 1:8 twist rate and nitride finish, this barrel will deliver round after round consistently and accurately. On my first build I have a Vltor MUR upper, Mega forged lower, Noveske NSR handguard, Loki weapons lower parts kits, and a Loki 16" nitrided chromoly barrel. If you want to get involved, click one of these buttons! Nitride (two left black ones) is smooth while stainless is…stainless. Steve Ostrem goes over the benefits and features of the chrome lined (military) and standard barrels and what is right for you. Nitride is billed as doing everything that chrome does but cheaper and supposedly has an advantage in that it's a treatment as supposed to a layer upon the metal like chrome plating. Phosphate vs Nitride Barrel. Straight gas tubes… AR barrels: Parkerizing/Phosphate vs. Nitride/Melonite. It also requires less lubricant to work well and is easier to clean. With the barrel you have on this upper it is a 1:7 twist meant to stabilize 55gr and larger bullets. Each barrel was placed in the salt chamber and after just 8 hours the Nitride finish barrel began to show signs of corrosion. I took apart the free-floating 5.56 and Wylde. As far as nitrided barrels go, numerous barrels in the IC Featured this and none showed any marked increase in barrel life. Barrel nitriding and polishing creates a black coating that is resistant to corrosion and withstands extreme temperatures. In theory one can take a 4140 steel barrel and nitride it and it should perform the same as a nitride treated 4150 steel barrel as both hardness level will be the same. Theory aside, has anyone actually experienced any negative effects that can be attributed to the inferior phosphate finish? Black Nitride. Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. Phosphate vs Nitride finish I've got the urge to pick up a few uppers sometime soon. Over time, it tends to catch tiny debris and it’s little harsher on the surrounding aluminum receiver. Took these pictures at the range on 10/11/18: You have to look hard to see the case head in the chamber, but I wanted to capture the Saint on the BC too. Back quick to the cm vs the ss question. they are 4150v steel, but are not chrome lined and just phosphate finished. This might be part of the accuracy problem using a 52gr bullet for this upper. To start viewing messages, select the forum that you want to visit from the selection below. This is a hard coat anodized and forged 7075-T6 A3 AR upper. 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. We stock a huge selection of barrels ready to ship right away; trust Arm or Ally© has you covered! Nitride has many advantages but it is not mil-spec for BCGs and that is an important consideration for some. Smith and Wesson nitrides stainless steel for their M&P line. Personally, meh. The rest of the series can be found at the links below: Part 1: Intro, Fundamentals, and Manufacturing of AR Barrels Chrome is far more expensive to dispose of since it is incredibly toxic. Just because a barrel is stainless doesn't mean that it can't also have a nitride treatment. Black Nitride is becoming more common and slowly replacing the parkerizing of steel parts. The rest of the series can be found at the links below: Part 1: Intro, Fundamentals, and Manufacturing of AR Barrels 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. The maximum erosion life of the standard unplated barrels in this test was 12, 476 rounds for Barrel S11. NitrideInstead of adding material to the bore (like Chrome … Some argue that nitride can get a more accurate barrel in the same sense as a stainless in that you don't have to over machine the barrel like you would with one that's chrome lined since nitride doesn't change the dimension. Phosphate has been serving the military well for many years and it works very well. It looks like you're new here. HC and nitride coating cause the same substrate cracking. 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. Remember this temperature for later. I have like 5. Nitride. That being said, our nitride barrel life span for average use is 12,000 rounds. Rubbing against anodized aluminum that has the hardness approaching tungsten carbide is going to wear away NiB too. The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. 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. A Nickel Boron BCG with its slick surface will clean up quite a bit easier and faster than a standard BCG with a phosphate finish. AR barrels: Parkerizing/Phosphate vs. Nitride/Melonite. Reason #3 - Aesthetic They both shoot steel etc no issues. The advantages of a phosphate vs nitride barrel is outlined here. Have both CL and Nitride barrels, all function as intended and are accurate. Got one of the Black Friday deals, 10.5 nitride with a KAC shockwave and MOE furniture. Upper. Nitride treats both the inside and the outside of the barrel and does not require any oils to provide the best corrosion protection. You get a more heat resistant steel and have the bonus of nitride treatment for hardness and corrosion resistance. Posted On: 31st January 2020; By: lothaen; With 4 Comments; Hello, frenz. You should retry this using a 55gr cartridge instead. Today I have a mini post to share with you some light accuracy testing of the PSA 20 inch nitrided barrel assembly. 633 0 0. Palmetto State Armory Nitride Barrel Accuracy Test: Initial Run . CLICK HERE . However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. I'm saying that nitriding DOESN'T make a barrel more accurate. Nitride: Nitride is used to harden the metal which vicariously increases the lifespan of the barrel. - Criterion Barrels Is very innacurate. in order for me when talking about durability. 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. Every citizen should be a soldier. I used a Nitrite BCG in my last build, after a few thousand rounds looks like new. AznZOhAn New Member. -Fits barrels with .750 Outer Diameter-Constructed from 4150 hardened steel-Choose No Aero Logo or Aero “A” Logo blocks-Nitride or Phosphate coating-Low profile for easy fitment-Set Screws are Steel 10-32 x 3/16 Knurled Cup Point-Made in the USA-*Roll pin not included* To learn more about Aero Precision and their new Nitride and Phosphate AR15 Gas Blocks. These barrels were designated N1 and N2, respectively. Aero Precision is also offering these AR15 gas blocks in .750, .625,.875, and .936 diameters.. Aug 26, 2012 #1 . 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 . AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Nitride is supposed to be a little tougher and I like the smooth look. Right now kinda comparing apples to apples with a ba hanson barrel they have either a nitride or chrome lined barrel/phosphate coated barrel difference being about a 100 dollars in price. That is due to the way phosphorus reacts with low carbon, which can cause embrittlement. 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.. Say you're going to buy a 16" chrome moly barrel for you AR, use will be general shooting, plinking, toting around and shooting. I am about 75% done with my first build. The M4 profile barrel is phosphate coated to Mil-Spec and has been High Pressure tested as well as Magnetic Particle inspected. No chrome lining on the bore. There is only “open fire” and “I need to reload”. 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. Accuracy testing can be a chore, but this is more of a mini-assessment. This was the case of the Greeks and Romans and must be that of every free state. We've made ammunition test barrels in both c.m. Rated 5 out of 5. -T Jefferson. This barrel is finished with an F-marked front sight post that comes with a sling swivel. Mag phos typically has a matte grey finish. The two standard barrels with nitride bores were procured from Manufacturer X and were second in erosion resistance in that these barrels were fired 29, 874 and 26, 774 rounds before rejection. Cerakote vs. Nitride The Corrosion Resistance King In a head-to-head test, Cerakote was put up against Nitride in a salt chamber to see which would be the most corrosion-resistant. HC and nitride coating cause the same substrate cracking. I have a 10 year old phosphate BCG that I NP3âd for 3Gun, still looks good after thousands of rounds a year for 10 years. Copyright © 1996-2021 AR15.COM LLC. Nitride chromoly vs stainless barrels Discussion in 'AR-15 Discussion' started by AznZOhAn, Aug 26, 2012. Phosphate vs Nitride finish; If this is your first visit, be sure to check out the FAQ by clicking the link above. Both are reliable and accurate. Hence, nitride is the superior treatment unless you have a … The new Freedom Hammer Forged barrels are not made by FN, they are PSA barrels. 08-10-2018, 01:56 PM #2. 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 . It has standard handguards and A2 flash hider. 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.
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