Geissele BCG Reliability Enhancement Kit 5.56 AR15 AR-15 Bolt Carrier Group REK Choose H1, H2, or H3. 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. Each element of the bolt-carrier group is finished in a black-nitride coating. This means that all contact surfaces of the BCG will experience less friction and smoother, more reliable function. 100% Made in USA and includes Lifetime Warranty from Toolcraft. This made it not desirable and along with a higher cost, caused the switch to a phosphated coated bolt carrier group. 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. $174.99 $139.99. Magnetic-particle inspected material We take strides to sponsor the shooting sports, getting the next generation involved to help ensure the Second Amendment remains intact for the future. It has a shinier finish than the standard matte finish of phosphate. Toolcraft Black Nitride Bolt Carrier Group. The black nitride treatment is very durable and highly resistant to wear and it will not flake because it is not a coating. reliable extraction, Firing pin precision machined from 17-4 H-900 Stainless Steel, Midwest Industries Thanks For Watching. CURRENTLY AT 3-4 WEEK SHIPPING DELAY DUE TO MARKET CONDITIONS. Black Nitride is becoming more common and slowly replacing the parkerizing of steel parts. Black nickel is a derivative of nickel boron. In Stock. It has all the pros like ease of cleaning and wear-resistance without the downside of potential flaking. When applying, the material is first coated … The black nitride finish is smooth and should clean easily. BCG is well made and inspected, has the latest extractor parts, and the gas key appears properly staked. Buy now! $324.99. Some of the early M16 rifles adopted by the US military had a hard-chromed bolt carrier. Out of Stock. Toolcraft BCG Black Nitride AR15 / M16 Auto Bolt Carrier Group 9310 MPI Tested. 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. My personal favorite is the black nitride coated bolt carrier groups. 276-BCG15 | Bear Creek Arsenal. It is shot-peened and magnetic particle inspected. I need cost effective bolt carriers that are strong, protected and don’t wear fast. The Brownells M16 5.56 Complete Bolt Carrier Group is constructed with a bolt made from 9310 steel, which is finished with a heat treatment and shot peening. This Toolcraft 308 / AR10 / 6.5 Creedmoor Black Nitride BCG is trusted by weapons manufacturers and custom rifle builders around the world. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum; Keys made from 4130 Steel; Bolts available in 9310 Steel or Carpenter 158 65 Warning for CA Residents The ODIN Works 9mm BCG is designed to work with both Colt and Glock style lowers and magazines. Nitriding vastly increases the hardness of the metal that is treated without changing the material dimensionally like the build up of a hard coat. $189.00. 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 . 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. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. The bolt is made from 9310 steel and is MPI Tested and engraved. Steel Finish: Black Nitride. Finish is Black Nitride which is a metal treatment that produces a case-hardened surface. Iron City Rifle Works G3 Competition Enhanced BCG - Copperhead . 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 Backorder OK. AR15 5.56 / .223 Nitrided BCG Complete Bolt Carrier Group. MI 5.56 Black Nitride C158 BCG Bolt Carrier Group M16 AR-15 AR15 Midwest Industries Full Auto. 4110 I-70 North Outer Road Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. Aero Precision Black Nitride AR-15 Bolt Carrier Group Review Video. A few years ago there were only two options, phosphate or a hard chrome. Everything on this Bolt Carrier Group is machined complete all to Mil-Spec standards and hardened to meet or exceed USGI (Mil-Spec) Specifications. The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance. One of the most expensive coatings to have on a bolt carrier group is titanium nitride or TiN. TiN is a thinly-applied surface coating has a shiny gold-like appearance and is often used for show builds due to aesthetics. Follow Us. This coating is notable because it has all the slickness and ease of cleaning of a nickel boron carrier but the hardness properties of the black nitride making it less prone to flaking. 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. That’s why I and many others choose black nitride. The carrier is fabricated from 8620 hardened steel. $93.08. Hard chrome is a surface plating that covers the outside of the carrier. 9MM Black Nitride Bolt Carrier Group : Alternative Views: Price: $ 159.00. This process isn’t commonly used due to the expense in treating the bolt carrier twice. ODIN Works Nitride Bolt Carrier Group, Black (11) $149.00 (Save … Notify Me. When applying, the material is first coated with nickel boron, then it is treated in a salt nitride bath. All critical parts are coated with Salt Bath Nitride (Black) which provides durability and increases both wear and corrosion resistance. to ensure reliability, Machined from solid 4140 This is by far the most popular and well-known finish to have on a bolt carrier group. If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty. Notify Me. This treatment is great for use on barrels to prevent corrosion and increase barrel life. Out of stock. 6.5 Grendel Type 2 bolt face - Black Nitride Bolt Carrier Group. Now there are over a half dozen options to choose from on the market. Phosphate is not a surface coating, but a metal treatment that penetrates the metal which reduces friction and prevents corrosion. $200 Minimum Order. $349.99. The resulting finish is extremely wear and corrosion resistant. $170.05. Even though I own a couple nickel boron bolt carrier groups, I don’t need a shiny parts to look cool. 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. 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. 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. Notify Me. 045-B2K630AA00 | Anderson Mfg. Sale Price: $149.95 The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. 3 models Aero Precision .308 Black Nitride BCG (34) As Low As (Save 15%) $178.49 Best Rated. Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled “valley” to ensure proper positioning. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. 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. Add to Wish List Add to Compare. Our Nitrided M16 BCG is micro polished before and after the Melonite process, producing a beautiful finish and an extremely slick surface. 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** This black nitride BCG from Toolcraft is a popular choice for AR-15, M4 and M16 builds due to its mil-spec design and lifetime warranty. BLACK NITRIDE Black Nitride offers increased wear-resistance, fatigue strength, corrosion resistance, lubricity and cosmetic appeal. If you are in the market for new AR-15 parts, specifically a bolt carrier group, you might be a little overwhelmed with the various treatments/coatings available today. with Grade 8 fasteners, Properly staked 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. And, the price is reasonable. BCA AR-15 Bolt Carrier Group Black Nitride. Watch this if you'd like to see the differences between Nickel Boron and your standard Black Nitride BCG. AR15/M4 5.56 Ambidextrous Charging Handle. 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. PSA 5.56 NITRIDE MPI FULL-AUTO BOLT CARRIER GROUP. bar stock, heat treated and shot peened, Phosphate coated for Add to Wish List Add to Compare. 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. Toolcraft 5.56 Black Nitride Bolt Carrier Group - with Logo: Toolcraft 6.5 Creedmoor Black Nitride Bolt Carrier Group - Logo: $265.00. Your Price: $129.95 Out of Stock. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. 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. Odin Works AR-15 LOW Mass Bolt Carrier Group - Black Nitride . Midwest Industries Description Prop. AR-15 Nitride Bolt Carrier Group Mil-Spec ... $119.99. This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride. Bolt Assembly: Limited Lifetime Warranty, Midwest Industries Inc Products for Ruger® 10/22®, Midwest Industries Inc Products for Ruger® PC Carbine™. True Mil-Spec Bolt Carrier Group; Material: Case Hardened 8620 Steel; Finish: Black Nitride. 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. Stock Status:In Stock. $149.00. $114.95. This Black Nitride finished Left Handed Bolt Carrier group by Black Dirt Rifleworks is fully assembled and ready to drop into your rifle. 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. 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 All manufacturing and coating is done by Toolcraft. Choosing a bolt carrier group can get pretty touchy because everybody has an opinion of which is the better coating or treatment. © 2018 H&M Metal Processing 1414 Kenmore Blvd, Akron, Ohio 44314 T (330) 745-3075 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. This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride. LANTAC Black Nitride E-BCG Enhanced Bolt Carrier Group. The bolt carrier group is the workhorse of your rifle, and a quality BCG is critical to reliable rifle function. Limited Lifetime Warranty, Assembled Bolt Carrier Group for AR-15/M16, Properly torqued Type 2 6.5 Grendel bolt face. $225.00. This advanced low friction coating minimizes the need for lubricants. Iron City Rifle Works G3 Competition Enhanced BCG - Black Diamond . $205.00. It is a chemical process that is achieved by soaking the parts in a boiling manganese solution, this practice is also known as parkerizing. It is also very slick, especially compared to the traditional phosphate finish. This advanced low friction coating minimizes the need for lubricants. 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. Technical Specs. Complete 5.56 Polished Black Nitride BCG. Out of stock. Your Price: $299.95 Out of Stock. The carrier is made from 8620 steel. The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance. 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. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop… Black Nickel. It also features the traditional style AR extractor that will give you long and reliable use. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. First and foremost, we are passionate about our Second Amendment Rights, The Shooting Industry, and American Manufacturing. Black nickel is a derivative of nickel boron. 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. Please; comment, like, and subscribe. FailZero 5.56 Black Nitride BCG. Advantage resulting from the non-reflective properties of Black Nitride bolt carrier Group - Nitride... Outside of the carrier comes with a higher cost, caused the switch to phosphated. Process isn ’ t need a shiny gold-like appearance and is MPI Tested engraved! Strong, protected and don ’ t need a shiny gold-like appearance and MPI! Producing a beautiful finish and an extremely slick surface treatment that penetrates the metal that treated! 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