Nitride is even harder and more corrosion resistant than chrome lining and produces sharper rifling which increase accuracy. As a result of a vapor deposition process, these coatings offer a tough, micro-thin surface with great lubricity. This is a chemical treatment to protect carbon steel from rust. Bluing of steel is a traditional way to protect firearms from corrosion while at the same time reducing glare. It’s also one of the least expensive finishes on the market, so if you’re on a budget, and don’t mind keeping oiling rags handy, this might be the ideal choice. However a phosphate BCG against a carbon steel or stainless steel barrel is not a good idea. No matter what conditions you put your firearm through, there is a finish out there that is ideal for your applications. Black Nitride goes by a few names, Ferritic Nitrocarburizing, Melonite, SBN "salt bath nitriding", QCP and Tenifer, that are all names for the same thing, the only difference would be Tenifer, this process is used in Europe with a different cyanide formulation bath "EPA wont allow that in the US". It’s also porous and will make cleaning more difficult. ISONITE® QPQ (per SAE AMS 2753) is a high-performance variety of salt bath nitrocarburizing process. It can be applied to many different surfaces and is one of the toughest, most durable finishes marketed today. Black River Tactical BRT OPTIMUM Barrels - 16" MPR, 14.5" MPC, 11.5" CQB, 9" PDW BRT OPTIMUM-S Barrel - 11.5" CQB Suppressor Gas Drive BRT OPTIMUM-S Barrel - 11.5" SB Suppressor, 11.5" SBT 25 Deg Tapered Shoulder Suppressor BRT Covert Comps 7.62, 5.56, 6X, 9mm BRT MarkBlue Gas Tubes - BRT EXT, EXC and PDW Lengths BRT EZTUNE Gas Tubes - CAR and MID BRT MicroPin Gas … Nitride we used a lot in manufacturing. 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. Unlike a vehicle, a gun that’s protected with the right finish retains resale value no matter how many “miles” you’ve got on it. Stay up to date on all of our reviews, articles, sales, and giveaway winners! While Nickel Boron (NiB) is silver and shiny. As you can see, there are quite a few options in gun finishes, but what you ultimately choose will boil down to conditions you store and use your firearm, level of maintenance you can tolerate, and colors you prefer. Phosphate is a thin coating that offers mild protection from corrosion. It’s low-friction and diffuses heat well, so it is perfect for intricate parts found in internal firearm components such as bolt carrier groups. https://palmettostatearmory.com/blem...=12%3a00+Email, Practical Nitriding and Ferritic Nitrocarburizing, https://www.asminternational.org/doc..._Chapter_1.pdf, http://phys.mech.nw.ru/e-journals/RA.../narayanan.pdf, Product Review - Firearms or Firearms Related Products, Marketplace Rules, Announcements and Member Feedback, If this is your first visit, be sure to The trick is finding a coating that fits your lifestyle and personal tastes. Dimensional increase. An alternative to bluing, this chemical phosphate conversion coating results in an anti-reflective gray to black finish with very little change in dimensions. 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 … The nitriding process serves to enhance corrosion resistance on both the interior and exterior of the barrel. A firearm is an investment. All Rights Reserved, Every Open Carrier Needs a Retention Holster, How to Respond to the ATF Pistol Brace Notice, What Gun Owners Might Expect From a President Biden and a Republican Senate, Despite Our Best Efforts, SHOT Show 2021 Is Still Happening. DuraCoat is a two-step chemical coating engineered explicitly for firearms and is user-friendly for do-it-yourself gun owners. Many firearm dealers are so confident in longevity of this finish that they offer lifetime workmanship warranties against peeling or cracking. And is easier to clean. The process starts with a standard salt bath nitrocarburizing cycle, which produces a layer of ε iron nitride. Process. If you are in need of a barrel nitriding service look no further! It’s an investment in both personal and financial security, as nothing else on earth can protect you in a moment of danger yet hold its value well into the future. It is used on HSS and carbide cutters. KG Gunkote was developed for rigors of military use and is similar to other spray-on finishes in its capacity to protect against chemicals. Then You Should Be Concerned About the First. Phosphate coating can be applied to both the barrel and bolt carrier group for rugged rifle components capable of operating in extreme situations. However, much like a car or truck, corrosion is a primary concern with firearms. Titanium Nitride. It was slick and smooth. Bravo Company Manufacturing (BCM) M16 BCG But there is another kind of evil which we must fear most, and that is the indifference of good men. First, phosphate coating typically increases friction among bolt carrier groups. Instead of adding material to the bore (like Chrome lining), Nitride treats the existing steel by imbuing nitrogen into the steel itself. This chemical coating requires no need for electrochemical reactions, leading to a more uniform finish. It is slightly more effective at corrosion resistance than bluing but requires frequent oiling to retain this attribute. Cerakote, DuraCoat, and KG Gunkote are a few brand names on the spray-on gun coating list, but each differs in composition, and all cause a slight increase in dimensional thickness. First off, I am an amateur shooter and just enjoy doing this sort of thing on the weekends. Last but not least on the bluing list is rust or fume bluing. Nitride: Nitride is used to harden the metal which vicariously increases the lifespan of the barrel. Politifact Paints False Picture While Claiming Trump Paints False Picture, Kyle Rittenhouse Acted in Lawful Self Defense in Kenosha, Omaha Outdoors Announces GOA Round-Up Option. Just because a barrel is stainless doesn't mean that it can't also have a nitride treatment. Next, the workpiece is mechanically polished; typical polishing processes include vibratory finishing, lapping, and centerless grinding.Finally, the workpiece is re-immersed into the salt quench bath for 20 to 30 minutes, rinsed, and oil dipped. If you wish you could get a professional bluing finish on a gun you already own or one you are looking to purchase, Omaha Outdoors now offers a convenient hot bluing service. and the other part of the conversation "...nitride is cheaper, better tolerances, easier to clean...". Nitride. The ensuing chemical reaction causes the nitrogen to diffuse into the surface of the barrel (inside and out) and convert a thin layer of the surface into a very hard coating.. Lack of Reliable Magazines Limit Hornady’s 6mm ARC Cartridge Offerings, Flash Sale – 10% Off EOTech – Expires 6/16/20, Concerned About the Second Amendment? The nitride barrel life is all dependent on how you treat it. Phosphate is just fine, requires plenty of lube, but will last a long time. That being said, our nitride barrel life span for average use is 12,000 rounds. The answer is … It also requires less lubricant to work well and is easier to clean. Hot bluing is used most often in the manufacturers setting, resulting in a stunning blue-gray finish. Cerakote is a Polymer-Ceramic composite that can be customized in a myriad of colors, offering excellent corrosion protection. one topic that always gets touched on is nitride is easier to clean and CP (chrome phosphate) holds oil better, but the discussion usually stops there even though the threads go on for multiple pages, but that is the major take away. 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. check out the. This transformation gives treated steel some corrosion protection but requires frequent oiling to keep rust at bay. ... Chrome Lining vs. Salt Bath Nitriding: Which Barrel Finish Is Better? Watch this if you'd like to see the differences between Nickel Boron and your standard Black Nitride BCG. Phosphate vs Nitride These are two of the least expensive finishes available. Nitriding is a surface treatment that increases surface hardness and corrosion resistance of steel when done correctly. The Tenifer/Melonite finish features a 64 HRC rating, only six units below the 70 HRC rating of diamond. And more exotic stuff like Titanium Nitride (TiN) is gold and pretty. On the plus side, this type of treatment does not change dimension of the piece, so there’s no need for gun parts to accommodate that increase. This method is known as the Taj Mahal of this genre of gun finishes as it offers unparalleled corrosion resistance. Nickel Boron usually costs more than Nitride and that money goes to more performance. Phosphate. MIL-SPEC is manganese phosphate, which requires oil to provide excellent corrosion resistance on the outside of the barrel. That means its good inside the AR-15 or on the outside. In salt solution testing, it exceeded the 550-hour mark, which is well over minimal military standards. That is due to the way phosphorus reacts with low carbon, which can cause embrittlement. Manganese phosphate is never used as a paint base. I know what you’re thinking. A Pistol Brace Ban Will Happen Someday. An iron-clad Cerakote finish might be your choice if you have a multitude of wet, dirty conditions to deal with or want to add personality to your gun with customized color combinations. Mega has 416R stainless barrels that are nitride treated. Treated parts increase in size, so adjustments must be made to accommodate that result. The finish acts to prevent metal to metal contact and serves as a reservoir for oil films. Now, we must all fear evil men. Nickel Boron vs Nitride Both of these finishes are far ahead of phosphate as far as slickness and ease of clean up are concerned. Nitride has many advantages but it is not mil-spec for BCGs and that is … You Can’t Stop It. A wonderful positive of anodized metal is its porosity lends to better paint or glue adhesion, so much so that some guns are anodized before a spray-on color coat is applied. Its corrosion resistance was proven by passing 500-hour salt exposure tests, so it’s a finish that handles just about anything. Every firearm in your arsenal is vulnerable, as even sitting idle in a gun safe will take its toll on your cold hard steel. Now let’s get on with our actual picks! Nitride is black and shiny. This coating is 85 percent more resistant to corrosion than a hard chrome finish and results in a gray or black color. Whichever you choose, each will provide an insurance policy on your investment to keep that firearm as usable and valuable as it was the day you bought it. Each barrel was placed in the salt chamber and after just 8 hours the Nitride finish barrel began to show signs of corrosion. Nitride has the edge when it comes to smoothness and hardness. Can You Claim Self Defense While Committing a Crime in Wisconsin? The idea here is that plants immerse the barrel in a sodium-nitrogen solution and heat it to a high temperature. Mag phos typically has a matte grey finish. An anodized finish is created by an electrochemical process similar to bluing, but results differ in one specific way. And easier to clean. Treated surfaces are hard and very wear-resistant with a decent amount of lubricity. Austrian firearms manufacturer Glock Ges.m.b.H uses the Tenifer process on the slides and barrels of its handguns. You’ll probably never see a blued AR barrel, because the military specified a more robust finish, which is the de facto standard: Manganese phosphate, one of several treatments that fall under the umbrella name of “Parkerizing” (after the Parker Rust-Proof Phosphating Company). Ferritic Nitrocarburizing and the more effective version of it called Quench Polish Quench (Melonite, Tufftride or Tenifer,) are surface transformation treatments that result in no dimensional changes, so they are well suited for internal components. With the barrel you have on this upper it is a 1:7 twist meant to stabilize 55gr and larger bullets. Melonite and nitride are the same thing and better than phosphate. An alternative to bluing, this chemical phosphate conversion coating results in an anti-reflective gray to black finish with very little change in dimensions. They say diamonds are a girl’s best friend, but a gun owner’s friend is most definitely a firearm with an anodized finish. Colors can be customized to a certain extent, so it is a good choice for those who want a thin, durable finish paired with color. This is by far the most popular and well-known finish to have on a bolt carrier group. Now, we must all fear evil men. 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. And easier to clean. Budget-conscious buyers who want something that works and can overlook some details like perfect finishing and dead-on accuracy Phosphate is just basic parkerizing and will provide minimum corrosion resistance. Subscribe to our email list and get exclusive access to promotions, sales events and more! It is slightly more effective at corrosion resistance than bluing but requires frequent oiling to retain this attribute. Stainless steel barrels are used for long range accuracy. •Nitride does not affect the physical dimensions of the steel so it is preferred to chrome lining when seeking out accuracy. It withstands impact effectively and passes 300-hour spray-on salt exposure tests, which exceed military standards. This makes it more difficult to clean a phosphate coated rifle and requires more lubrication. It is also known as Liquid/Salt Bath Ferritic Nitrocarburizing (FNC) process. I use PSA 20 in CHF barrel one of my rifles and get about 1 to 1.5 groupings at 100 yrds non free floated. However, nitride is preferred to phosphate coating for a few important reasons. You should retry this using a 55gr cartridge instead. Cold bluing changes color of steel to an attractive dark gray and is best used for small touch-ups or worn areas on a gun. Isn’t titanium nitride a nitride coating? Omaha Outdoors is one such company, and as a bonus, they provide custom in-house colors you can’t get anywhere else. It is achieved by an electrochemical reaction that changes iron to black oxide. © 2019 Omaha Outdoors, LLC. In both categories though, Nickel Boron has the edge over Nitride. 12 Best AR-15 Bolt Carrier Groups (BCG) 1. ... Nitride Coating. Rust, from elements encountered in use or from storage in a humid environment, is like a disease that eats away at your investment. Gun bluing will give you a classic blue-black look of a raven’s wing when oiled but keeps you chained to oil cans for the life of the weapon. The advantages of a phosphate vs nitride barrel is outlined here. Also, there are several types of bluing methods used for different applications. 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