Which is it. Follow Us. It is made from mil-spec 304 SS and then salt bath nitrocarburized. 1. *This is a HP or High Performance part. System layouts can vary from straight-line, “L”, “U” or “O” rail configurations depending on your requirements. Shopping Cart (0) Total $0. All critical parts are Black Salt Bath Nitride Finished which provides durability and increases both wear and corrosion resistance. Gas keys use grade 8 fasteners and are fully staked for a lifetime of service. : +1-847-513-6201 Bolts. THARIVAL, Bolt Carrier Group fits AR15/M4 compatible style Rifles (i.e. : GunBroker is the largest seller of AR15 Parts Gun Parts All: 888783345 Buy Nitride 5.56/223 Bolt Carrier Group (BCG)- No Taxes! American Defense took no shortcuts in the production of this quality bolt carrier group. Nitride. Handling systems range from simple manual hoists to fully automated, “recipe driven” systems. The carrier is made from 8620 steel and the bolt from 9310 steel. Uniquely finished with a Salt Bath Nitride and utilizing a M16 style extractor, this bolt is designed for performance and durability. The resulting surface is extremely hard which makes it … Grinding is done post heat treat to be perfectly in spec. Fax: +1-866-534-3097 Black Nitride treated parts include: Bolt & Extractor (5.56/.223 compatible) match trigger. Learn: About Us Policies Reviews Holiday Shopping How To. Improvements include using 9310 tool steel for the bolt, which is stronger and nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance compared to typical chrome and phosphasted bolt carrier groups. Verified Owner, Toolcraft BCG with Black Nitride finish Also known as Melonite, Salt Bath Nitride (SBN), Tennifer, Quench-Polish-Quench (QPQ) or simply Nitride, this is a heat treating process that creates a case hardened surface by diffusing nitrogen into the metal surface. days of receipt and we'll cover the cost of return shipping. 9AM-5PM CST Sat 9AM-5PM CST Sun (Chat & Email Only), Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, Black BRO-SPEC15-BCG, Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, Black, BRO-SPEC15-BCG. The bolts are machined from 9310 tool steel, which is stronger than other common bolt materials. In a liquid nitriding bath, which is maintained between 500 - 630°C (930 - 1165°F), nitrogen-bearing salts produce a controlled and highly uniform release of nitrogen at the surface of the workpiece. Shop CMMG AR-15 Barrel/BCG Kit 5.7x28 16.1" 416 Stainless Steel Barrel Salt Bath Nitride Matte Black Finish and more from Cheaper Than Dirt! April 3, 2019, All Black Rain Ordnance Gun Parts Reviews, Return Yes, 223/5.56 bolts and bcgs are the same, Yes if the pictures are correct then yes it is full auto standard m16 bcg semi auto restricted carriers are noticably shorter on the bottom cut, Toll-Free: +1-800-504-5897 The carrier is made from 8620 steel and the bolt from 9310 steel. The BCG's are full-Auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. Email: [email protected], 9AM-7PM CST Mon-Fri overall weight. Salt Bath Nitriding/Nitrocarburizing was originally created as an alternative to gas nitriding that would produce a more uniform case through surface contact between the substrate and liquid salt. An extremely slick and easy to clean Policy. The Nitromet salt bath nitride provides greater durability (Rc 55), heat resistance and corrosion protection. Shop Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223 | 5 Star Rating on 1 Review for Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223 + Free Shipping over $49. Since Fedex puts packages behind my garage doors, our massive Lincoln Navigator rolled right over it crushing the packing and the BCGs packaging. Shop our vast selection and save! Intl. WORK PRINCIPLE . Faxon 5.56 Titanium Nitride M16 Bolt Carrier Group BCG AR-15 AR15 300BLK- Faxon 5.56 Titanium Nitride M16 Bolt Carrier Group BCG AR-15 AR15 300BLK We . The BCG's are full-Auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. CURRENTLY AT 3-4 WEEK SHIPPING DELAY DUE TO MARKET CONDITIONS. The method features the transfer via diffusion of carbon and nitrogen from the molten salt to the surface of a steel part. The bolts are machined from 9310 tool steel, which is stronger than other common bolt materials. Chengdu Surface Metal Technology Co., Ltd is a professional manufacturer and exporter of QPQ liquid nitriding, salt bath nitriding &end products. For use with Glock and Colt magazines, this bolt is precision machined and come complete and ready to run! This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. Ambi Charging handle and enhanced furniture. Bolt Carrier Group-BCG. .223 Wylde barrel. We want to ensure that making a return is as easy and hassle-free as possible! ).223/5.56mm,.300 Blackout. Picture leads me to believe this is a M16 (full auto) style BCG (which I am looking for) rather than an AR15 (semi group). Please check your email for confirmation message, Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, Black Rain Ordnance Upper Receiver Parts Kit, Black Rain Ordnance Ejection Port Cover Assembly 5.56/.223 Caliber BRO-EDC, Black Rain Ordnance Tactical Latch For AR-15/LR-308 Black BRO-MTL, Black Rain Ordnance AR15 Lower Parts Kit with Drop-In Trigger, Black Rain Ordnance Milled Upper Receiver, w/Forward Assist and Dust Cover, Black Rain Ordnance Milled Upper Receiver, Black Rain Ordnance SOCOM .458 Complete Upper Receiver, Black Rain Ordnance Single Stage Drop-In AR15 Rifle Trigger, 3.5lb pull, Black Rain Ordnance Bolt Carrier Group, Left Handed, Black Rain Ordnance Lower Parts Kit GI Trigger, Black Rain Ordnance Bolt And Carrier Group Nickel Boron .308 Caliber BRO-BCG-308, Black Rain Ordnance Ejection Port Cover Assembly .308 Caliber BRO-EDC-308, Black Rain Ordnance Milled Flash Regulator, Black Rain Ordnance .458 Bolt Carrier Group, Black Rain Ordnance Milled Flash Suppressor, slim, Black Rain Ordnance Milled Charge Handle .308, Black Rain Ordnance Milled Flash Suppressor, Black Rain Ordnance Milled Charging Handle Black BRO-MCH-BLK, Black Rain Ordnance Hexagonal Compensator, Black Rain Ordnance Complete Upper Competition 3G 16in, Black Rain Ordnance Complete Upper Force 5.56, Black Rain Ordnance Complete Upper Scout 5.56, Black Rain Ordnance Spec 15 Complete Upper, Black Rain BROSPEC15UR Spec15 223 Remington/5.56 NATO 7075-T6 Aluminum Black Ha, Black Rain BROMURLBK BRO AR15 Upper 223 Remington/5.56 NATO 7075-T6 Aluminum Bla, Troy Rear Tritium Battle Sight - Black SSIG-FBS-RTBT-00, TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group, Nitride Black, BCG308-QPQ, TRYBE Defense Milspec Complete 9mm Hybrid Bolt Carrier Group, Nitride Black, BCG9MM-QPQ, TRYBE Defense AR-15 Barrel, Pistol 10.5in, .223 Wylde Government Profile, Black, BARPIST105223, by Verified Owner, The nitriding behavior of IF steel in the KNO 3 bath can be reasonably well described by nitrogen diffusion in iron, with the surface concentration of nitrogen being about 0.07 wt.% at 650 °C. Faxon maintains the dual COLT/GLOCK compatible geometry, user- It remains a popular case hardening technique because it offers: Gas keys use grade 8 fasteners and are fully staked for a lifetime of service. The salt bath nitriding equipment is fully hooded and ventilated. © 2018 H&M Metal Processing 1414 Kenmore Blvd, Akron, Ohio 44314 T (330) 745-3075 308 Nitride Bolt Carrier Group BCG Product Specs: • 308 Caliber • Salt bath nitride finish • M16 cut • 9310 steel carrier • Carpenter 158 steel bolt • 4140 steel extractor • MIL-SPEC O-ring • MIL-SPEC gas rings • 4140 steel cam pin • 8740 steel firing pin with hard … This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride.The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance. Brownells is your source for Bcg at Brownells parts and accessories. ", Privacy Policy | Warranty and Registration, A Black Nitride finished 5.56/.223 Full-Auto BCG, completely assembled, ready to install. DM to find o…, FAILZERO and EXO are registered trademarks of UCT Coatings, Inc. All rights reserved, "WHEN FAILURE IS NOT AN OPTION, YOU CAN DEPEND ON FAILZERO! Industrial heat treatment salt bath furnace . Fluidised bed/salt bath nitriding/nitrocarburising is a process used to improve the wear resistance, fatigue strength and, when combined with post oxidation through oxidative cooling, improved corrosion resistance on products made from steel, cast iron and sintered iron. … This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All bolts are fully MPI tested to ensure the material is sound and without defects. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. There are no products listed under this category. SELECT SIZE This gas tube is the perfect complement to a Nickel Boron coated BCG and reduces wear from the gas key. February 21, 2020, by ).223/5.56mm,.300 Blackout. Purpose-built for 9mm AR-15 pistol caliber carbines, Faxon Firearm’s Generation 2 PCC blow-back carriers keep the features of the well-loved first Gen BCG with modern improvements. I was freaking out until I took the piece out and there ... Sign up and get exclusive access to promotions, sales events, pre-order sales & more! The high concentration of nitrogen chemically combines with iron and other nitride forming elements to produce an outer layer of epsilon iron nitride (Fe 3 N) which is thin, hard and ductile. RT @PrimaryArms: 6 lbs. I got this BCG early last year and I love it. No more messing around with one case at a time in a cordless drill, taking wild guesses at temperature based on colour: now you can anneal hundreds of cases per hour while controlling temperature to within a few degrees. reason you decide that your purchase just isn't for you, simply return the item within 30 3.5 lb. 9MM. Kellen, In this study, the in-service performance of two thermochemical surface treatments (salt-bath nitrocarburizing and gas nitriding + post-oxidation) applied to a quenched and tempered H13 steel has been assessed with the aim of selecting the best option to increase the lifetime of hot forging dies used to make crankshafts. Live Chat Contact Check Order Status. All critical parts are coated with Salt Bath Nitride (Black) which provides durability and increases both wear and corrosion resistance. Thanks for subscribing to our newsletter! Policy. Shop now and get Free Value Shipping on most orders over $49 to the Salt bath nitriding is a thermochemical process in which nitrogen and carbon are diffused simultaneously into the surface of the material. If for any Every component receives a finish pass to ensure an optimal surface finish. The study of nitriding of IF steel specimens in a KNO 3 salt bath for 3 h at 650 °C led to the following conclusions. Salt-bath Nitride treated Magnetic particle inspected Thanks to the M16 profile of the Faxon Firearms M16 Bolt-Carrier Group, the unit is compatible with full-auto lowers and also features serrations compatible with the upper receiver's forward assist. Salt bath nitriding of type 304 austenite stainless steels conducted at low temperature, 430°C, using a complex salt bath heat-treatment. Black Nitride Above: Toolcraft BCG with Black Nitride finish Also known as Melonite, Salt Bath Nitride or simply Nitride, this is a heat treating process that creates a case hardened surface by diffusing nitrogen into the metal surface. Salt Bath Annealing. $200 Minimum Order. All critical parts are Black Salt Bath Nitride Finished which provides durability and increases both wear and corrosion resistance. How salt bath nitriding works The hallmark of salt bath nitriding is the bath of molten salt (usually cyanide or other salts) into which parts are submerged. This BCG also features a Salt Bath Nitride finish that is both slick and durable. Nickle Boron-NiB. Bolt Carrier Group fits AR15/M4 compatible style Rifles (i.e. *This is a HP or High Performance part. contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses. 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