Notify Me. Some of the early M16 rifles adopted by the US military had a hard-chromed bolt carrier. AR-15 Nitride Bolt Carrier Group Mil-Spec ... $119.99. These bolt carriers had a natural lubricity and proved to be durable, the only downside being that the hard chrome plating was prone to flaking. Aero Precision NO LOGO 5.56 Nitride Bolt Carrier Group Complete BCG AR15 AR-15-Aero Precision NO LOGO 5.56 Nitride Bolt Carrier Group Complete BCG AR1. 3 models Aero Precision .308 Black Nitride BCG (33) As Low As (Save 15%) $178.49 Best Rated 2 models CMC Triggers AR-15/AR-10 Single Stage Drop-in Competition Trigger (53) $189.99 (Save 12%) $167.99 Free Gift Available One of the most expensive coatings to have on a bolt carrier group is titanium nitride or TiN. Black nickel is a derivative of nickel boron. Everything on this Bolt Carrier Group is machined complete all to Mil-Spec standards and hardened to meet or exceed USGI (Mil-Spec) Specifications. Add to Wish List Add to Compare. It is shot-peened and magnetic particle inspected. 045-B2K630AA00 | Anderson Mfg. Each element of the bolt-carrier group is finished in a black-nitride coating. It it the current mil-spec to have a phosphated bolt carrier group with the inside of the gas key and carrier where the bolt rides hard chromed. LANTAC Black Nitride E-BCG Enhanced Bolt Carrier Group. Toolcraft 5.56 Black Nitride Bolt Carrier Group - with Logo: Toolcraft 6.5 Creedmoor Black Nitride Bolt Carrier Group - Logo: $265.00. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. First and foremost, we are passionate about our Second Amendment Rights, The Shooting Industry, and American Manufacturing. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. Phosphating is more difficult to get completely clean like nickel boron or black nitride due to the caked on powder and carbon fowling adhering to the finish. All of the bolt carrier coatings or treatments have their trade offs so it is up to the buyer to make the decision on what they want and need. Finish is Black Nitride which is a metal treatment that produces a case-hardened surface. Out of Stock. My personal favorite is the black nitride coated bolt carrier groups. This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride. This process isn’t commonly used due to the expense in treating the bolt carrier twice. 3 models Aero Precision .308 Black Nitride BCG (34) As Low As (Save 15%) $178.49 Best Rated. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop⦠It has a shinier finish than the standard matte finish of phosphate. 100% Made in USA and includes Lifetime Warranty from Toolcraft. Out of stock. This means that all contact surfaces of the BCG will experience less friction and smoother, more reliable function. $205.00. The entire carrier assembly is QPQ (Quench Polish Quench) Nitride coated Black, this is a specialized type of Nitrocarbrising Case Hardening that creates a vary hard, smooth surface with increased corrosion resistance and low coefficient of friction. The carrier is made from 8620 steel. It also features the traditional style AR extractor that will give you long and reliable use. Iron City Rifle Works G3 Competition Enhanced BCG - Black Diamond . 276-BCG15 | Bear Creek Arsenal. Choose a NiB Full Auto AR-15 BCG from FailZero, an F1 Firearms AR 15 bolt carrier group in Rose Gold TiCN or Black DLC, and adjustable model from Bootleg Inc., or a rugged, battle-proven Black Nitride AR 15 BCG from the innovators at Battle Arms Development, all at prices that make redesigning the function of your firearm highly affordable. $149.00. Even though it is a popular choice, nickel boron can and does flake off from time to time so it is recommended to purchase a high end bolt carrier group from a manufacturer that warranties the coating. Toolcraft Black Nitride Bolt Carrier Group. Your Price: $299.95 Out of Stock. Our Nitrided M16 BCG is micro polished before and after the Melonite process, producing a beautiful finish and an extremely slick surface. This treatment is great for use on barrels to prevent corrosion and increase barrel life. Thanks For Watching. This Black Nitride finished Left Handed Bolt Carrier group by Black Dirt Rifleworks is fully assembled and ready to drop into your rifle. When applying, the material is first coated ⦠Nickel Boron is a surface coating that is increasingly becoming a favorite among individuals wanting an easier to clean bolt carrier group that has a natural lubricity. Toolcraft Black Nitride 458 SOCOM/450 Bushmaster Bolt Carrier Group (AR15/M16)-MPI Tested This item is currently on order MSRP: $149.95 ... Spike's Tactical M16/AR15 BCG (223/5.56) -HPT/MPI Phosphate Finish This item is currently on order MSRP: $159.95 . All critical parts are coated with Salt Bath Nitride (Black) which provides durability and increases both wear and corrosion resistance. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum; Keys made from 4130 Steel; Bolts available in 9310 Steel or Carpenter 158 $225.00. Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled âvalleyâ to ensure proper positioning. This advanced low friction coating minimizes the need for lubricants. Choosing a bolt carrier group can get pretty touchy because everybody has an opinion of which is the better coating or treatment. Limited Lifetime Warranty, Midwest Industries Inc Products for Ruger® 10/22®, Midwest Industries Inc Products for Ruger® PC Carbine™. NiB coated bolt carrier groups are in the middle range on price, more costly than black nitride or phosphate but far less than Titanium Nitride. Aero Precision Black Nitride AR-15 Bolt Carrier Group Review Video. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. Hard chrome is a surface plating that covers the outside of the carrier. The bolt is made from 9310 steel and is MPI Tested and engraved. $174.99 $139.99. bar stock, heat treated and shot peened, Phosphate coated for
with Grade 8 fasteners, Properly staked
Black nickel is a derivative of nickel boron. TiN is a thinly-applied surface coating has a shiny gold-like appearance and is often used for show builds due to aesthetics. Buy Bear Creek Arsenal 5.56 Complete Bolt Carrier Group - BCG - Black Nitride: GunBroker is the largest seller of AR15 Parts Gun Parts All: 889168026 BLACK NITRIDE Black Nitride offers increased wear-resistance, fatigue strength, corrosion resistance, lubricity and cosmetic appeal. Midwest Industries, Inc. is a U.S. manufacturer of quality tactical rifle accessories for the AR15/M16, AK47/74, Ruger SR-22, Ruger 10/22 and many others. 4110 I-70 North Outer Road The Faxon Firearms Full Mass Black Nitride Bolt Carrier Group For AR15 Style 5.56 / .223 Rifles is M16 full auto compatible, has forward assist serrations, is fully heat treated, 8620 steel carrier, 9310 steel bolt & QPQ salt bath nitrided. Complete 5.56 Polished Black Nitride BCG. to ensure reliability, Machined from solid 4140
Out of stock. If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty. The black nitride finish is smooth and should clean easily. AR15/M4 5.56 Ambidextrous Charging Handle. Follow Us. Toolcraft BCG Black Nitride AR15 / M16 Auto Bolt Carrier Group 9310 MPI Tested. Notify Me. Bolt Assembly: PSA 5.56 NITRIDE MPI FULL-AUTO BOLT CARRIER GROUP. Now you too can get this outstanding BCG at a fraction of the cost. When searching for a bolt carrier group to purchase, you will run across NiB or nickel boron. Magnetic-particle inspected material All manufacturing and coating is done by Toolcraft. 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. $349.99. A few years ago there were only two options, phosphate or a hard chrome. $93.08. Backorder OK. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. Limited Lifetime Warranty, Assembled Bolt Carrier Group for AR-15/M16, Properly torqued
Type 2 6.5 Grendel bolt face. Description Prop. In Stock. Watch this if you'd like to see the differences between Nickel Boron and your standard Black Nitride BCG. Titanium Nitride is often used to coat drill bits or Although it does have a natural lubricity and it cleans easily, this coating offers nothing more than other offerings other than the shiny gold color. The black nitride finish features excellent hardness and lubricity, which means this BCG is durable, easy to clean, and less reliant on lubrication when compared to mil-spec phosphate coating. $200 Minimum Order. reliable extraction, Firing pin precision machined from 17-4 H-900 Stainless Steel, Midwest Industries
Phosphate is not a surface coating, but a metal treatment that penetrates the metal which reduces friction and prevents corrosion. 6.5 Grendel Type 2 bolt face - Black Nitride Bolt Carrier Group. The resulting finish is extremely wear and corrosion resistant. The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance. The bolt carrier group is the workhorse of your rifle, and a quality BCG is critical to reliable rifle function. CURRENTLY AT 3-4 WEEK SHIPPING DELAY DUE TO MARKET CONDITIONS. Buy now! Another downside of the nickel boron coated bolt carrier groups is the finish will dull after time and take on a darker carbon color, even if the carrier is clean. Even though I own a couple nickel boron bolt carrier groups, I don’t need a shiny parts to look cool. Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. I need cost effective bolt carriers that are strong, protected and don’t wear fast. $170.05. The dulling of the bolt carrier does not affect the slickness at all but it does negate purchasing the NiB bolt carrier group for its shiny finish. Nitriding vastly increases the hardness of the metal that is treated without changing the material dimensionally like the build up of a hard coat. The carrier is fabricated from 8620 hardened steel. Odin Works AR-15 LOW Mass Bolt Carrier Group - Black Nitride . Bolt Finish: Nitride Bolt Steel: 9310 Profile: Full Auto Profile Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpec Bolt is Magnetic Particle Inspected (MPI) **Due to part constraints, some orders may receive a free upgrade to a Mil-Spec Carpenter 158 Bolt** Iron City Rifle Works G3 Competition Enhanced BCG - Copperhead . Notify Me. The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance. 9MM Black Nitride Bolt Carrier Group : Alternative Views: Price: $ 159.00. $189.00. That’s why I and many others choose black nitride. We take strides to sponsor the shooting sports, getting the next generation involved to help ensure the Second Amendment remains intact for the future. Now there are over a half dozen options to choose from on the market. This Toolcraft 308 / AR10 / 6.5 Creedmoor Black Nitride BCG is trusted by weapons manufacturers and custom rifle builders around the world. St. Peters, MO 63376, [VIDEO] Top 10 Best Super Bowl 50 Commercials (2016 Funniest Ads), How to Hit the G-Spot with the New Bang Switch. © 2018 H&M Metal Processing 1414 Kenmore Blvd, Akron, Ohio 44314 T (330) 745-3075 Geissele BCG Reliability Enhancement Kit 5.56 AR15 AR-15 Bolt Carrier Group REK Choose H1, H2, or H3. 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