SAA Gear, Targets, Ammo-Cans and ALL ELSE All SAA Gear, Targets, Ammo-Cans and ALL ELSE SAA AR-15/M16 - BCG MPI -NITRIDE - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 - BCG MPI -Complete NICKEL BORON - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 FrankenBolt V1.2 Carrier Group (BCG) Complete - .223/5.56/300AAC, SAA AR-15/M16 - BCG MPI -Partial NICKEL BORON V1.2 - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 .223/5.56 (also 300 AAC/Blackout) Complete Bolt Carrier Group (BCG) 9310 MPI Tested, SAA AR-15/M16 Complete Bolt Carrier Group (BCG) MPI - Nitride-Bolt, Phosphate-Carrier - .223/5.56/300AAC, SAA AR-15/M16 - BCG MPI -NITRIDE - SKULL FACE - .223/5.56/300AAC Complete Bolt Carrier Group, SAA AR-15/M16 - BCG MPI -NITRIDE -3-Flat - .223/5.56/300AAC Complete Bolt Carrier Group. Austrian firearms manufacturer Glock Ges.m.b.H uses the Tenifer process on the slides and barrels of its handguns. Technology and innovation have advanced significantly since the Vietnam War, and modern BCG coatings can easily outperform the traditional phosphates. Whether your shooting habits are simply a box or two of shells a month, or you run through thousands of rounds makes a difference in which is the best bolt carrier group for you. Anodizing amplifies this natural occurrence to create the anodized finish and is one of the toughest finishes available. 61: Operating the Salt Bath. Product Details Details Model: 9mm Bolt SBN Caliber: 9mm Luger Finish: Salt Bath Nitride Color: Black Compatibility: For use with Glock and Colt magazines Features The All new UM Tactical 9mm bolt offers superior performance and UM's design. 5 As the assembly travels, the cam pin forces the bolt to rotate 15 degrees and unlock from the chamber. If you are like me and want to keep it all black. The steel Odin Works BCG comes with a Salt Bath Nitride finish and a durable coating, which protect it against excessive friction and wear. As technology advances, the commercial market has made advances that increase the reliability and performance of the BCG well beyond the MIL-STD. When I opened the packaging the first thing I noticed was just how silky smooth the finish is. The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. Go with this one. Nitride is a heat treat. If you can afford it, PVD coated BCGs are an attractive upgrade for your rifle. Some of the links on this page are affiliate links, meaning at no additional cost to you, Ammoland will earn a commission if you click through and make a purchase. After the polishing process, the piece is re-immersed into the salt bath solution for up to half an hour. Salt bath nitride finish M16 cut Mil-Spec 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 chrome finish Magnetic particle inspected Proudly made in the U.S.A. NITRIDE COATED FULL AUTO RATED BOLT CARRIER GROUP Order Info: Black Rain Ordinance (BRO) loses points in a few areas. So, to realize the true benefits of this Rubber City Arms upgrade you have to go a bit further. Nickel boron acts as a lubricant to reduce surface contact. Nitride coated bolt carrier groups are an upgrade over the basic phosphate coating. This type of metal coating is formed by the application of an electrolyte solution of sulfuric acid at a temperature of approximately 32 degrees Fahrenheit. Ethan C., These cookies will be stored in your browser only with your consent. Rest assured, you will still benefit from our vast product selection and industry-leading customer service. Send us an email here at Wing Tactical, and we will make sure that you get what you need, this time and every time. This drop-in AR-15 BCG features a corrosion resistant salt bath nitride finish, MIL-SPEC dimensions, and a magnetic particle inspected carpenter 158 steel bolt. Key components of an AR15 bolt carrier group include the carrier, bolt assembly (with extractor), gas key, cam pin, firing pin retainer pin, and the firing pin. High quality, the Bolt and bolt carrier group is perfect. I've been waiting for Primary Arms to restock Black Rain AR Barrels (hint, hint) because if the barrels are anything like these BCG's, you know the rest. This chapter presents the salts used and the process advantages of salt bath nitriding. Salt bath nitride, mil-spec materials, and a pretty decent price point. The process has many slight variations, including Salt Bath Nitriding, Melonite, Tennifer, Quench- Polish-Quench (QPQ), Black Nitride, and others. 65: A Test to Determine the Presence of the White Layer. Gun Parkerizing helps protect a steel surface from corrosion and increases its resistance to nicks and scratches by the submersion of the steel into a phosphoric acid solution. This is quality product. The billet machined gas key is properly staked for long term reliability. Better then DD. contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses. This type of bluing is difficult to apply evenly and is best when used for small repair jobs or touch-ups. Nitride coated bolt carrier groups are an upgrade over the basic phosphate coating. For a listing of our Brownells Europe representatives. Whichever coating you choose, you'll get unparalleled performance and reliability from this Enhanced Competition BCG. The unit, as a whole, sits inside the upper receiver. 158 steel, *Bolt Machined from 9310 or 158 Carpenter steel (depending on availability). It is one of the simplest finishing options available if you're looking to custom-color your firearm. These carriers are fully assembled, ready to go. Here you will find industry-leading customer service and fast shipping. No squip, fortunately. The __gads cookie, set by Google, is stored under DoubleClick domain and tracks the number of times users see an advert, measures the success of the campaign and calculates its revenue. Enable Accessibility 800-741-0015 Live Chat Live Chat Facebook Instagram Help Create an Account Login Create an Account Cart (0) View Cart Machined from a single piece of premium 8620H steel alloy, the FM-9 Bolt / Carrier Group is finished with a deep-penetration salt bath nitride that gives both lubricity and wear-resistance. Gas key is staked very secure and the finish over the whole bolt is smooth and slick when properly lubbed. As an added benefit, the FM-9 Bolt Carrier is "ramped" to accommodate both standard GI and dedicated 9mm hammers. The chapter explains the procedures for maintenance . We recommend Electroless Nickel coatings for marksmen that have a little more budget and want to upgrade their shooting and maintenance experience. Another number comes into play. Works pretty good for this first 100 rounds. In the early 1960s, some original M-16s had chrome-plated bolt carrier groups; however, the military soon transitioned to a more economical and longer-lasting phosphate finish, which has endured for decades. Two surfaces coated with this finish will rub smoothly against one another with minimal friction. If for any Ferritic nitrocarburization. The AmmoLand News Team publishes these deals that are available from our trusted partners and well-known industry retailers. It is among the top-rated bolt carrier groups that can be had. Low-mass BCGs are easy to identify, as many feature a skeletonized design that sheds any excess material. Look great after I disassembled and cleaned work perfect. reason you are not satisfied with your purchase, simply return the item within 30 days of The Bolt Carrier Group (BCG) is the heart of your AR 15. You'll be ready to start firing thousands of shots in no time. This cookie is set by GDPR Cookie Consent plugin. This top-rated AR-15 bolt carrier group is a drop-in replacement for your weapon. This website uses cookies to improve your experience while you navigate through the website. 4 The expanding gas exerts pressure on the gas rings on the bolt assembly forcing the assembly to move rearward. Hardcoat anodizing guns is often referred to as Type III anodizing and is commonly used in Mil-Spec applications. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. This bolt group features a full-auto design, is M16-compatible, and offers top-quality performance and durability. Even in a semi-automatic firearm, this process can happen multiple times per second depending on the skill of the shooter. New circa 2019. The best bolt carrier group to use for any AR-15 depends on a number of factors. That is a good point. It loads a new round into the chamber, fires that round, extracts and ejects the spent casing, cocks the hammer and repeats the process. The moving carrier cocks the hammer preparing the fire control group for the next shot. 58: Bath Maintenance. Your bolt carrier group is the workhorse riding inside your upper that will make or break your day. Learn more about our Return Policy. Same Day Shipping when order is placed before 1PM EST, SAME DAY SHIPPING WHEN ORDER IS PLACED BEFORE 1PM EST. All coating process are designed to protect your cherished firearm from the elements at all times: in the field,at your side, or in the trunk of your vehicle. A long duration salt bath nitride finish is applied for a long service life and superior corrosion resistance. The entire Toolcraft BCG is finished with a Salt Bath Nitride process which physically changes the surface of the material which makes it easy to clean and smooth to run. Understanding which BCG is right for you will involve an examination of your intended use, performance requirements, budget and desired aesthetics. No frills: it just works. The cookie is set by crwdcntrl.net to collect statistical data such as the number of visits, average time spent on site, and what pages have been loaded, for targeted advertising. This is an Alexa Analytics cookie that is used to track user behavior. Add a lifetime warranty to all of that and suddenly the price is right. Degussa, a German company which is now known as Evonik Industries, invented a salt bath method that did not include the potentially harmful sulfur ingredient. Being easier to clean and yielding superior accuracy than your standard Mil-Spec part makes choosing the JP Enterprises Full Mass Bolt Carrier Group easy. This SAA bolt carrier group offer smooth, reliable cycling as well as excellent quality and unsurpassed value. Therefore, the guns cycle rate goes up as the carbon fouling goes down. Shop our vast selection and save! Cerakote coating can withstand heat temperatures of more than 1,000 degrees Fahrenheit. If you have any questions, don't hesitate to send us a message at info@primaryarms.com or call us at 713-344-9600. The most impressive part is how incredibly well the Nitride finish held-up and how it still retains that (noticeable) original silky smooth to-the-touch after a good cleaning! Google DoubleClick IDE cookies are used to store information about how the user uses the website to present them with relevant ads and according to the user profile. 9 If the magazine is empty, the BCG will be engaged by the bolt catch and stop forward motion to allow for a magazine change. September 27, 2021, Black Rain Ordnance Salt Bath Nitride BCG 5.56/.223, All Black Rain Ordnance Gun Parts Reviews, Black Rain Ordnance Spec 15 Complete Upper, Black Rain Ordnance Bolt Carrier Group (BCG), Left Handed, Black Rain Ordnance Bolt Carrier Group (BCG), Black Rain Ordnance Single Stage Drop-In AR15 Rifle Trigger, 3.5lb pull, Black Rain Ordnance Bolt And Carrier Group (BCG) Nickel Boron .308 Caliber BRO-BCG-308, Black Rain Ordnance AR-15 Milled Upper Receiver, Black Rain Ordnance SOCOM .458 Complete Upper Receiver, Black Rain Ordnance Upper Receiver Parts Kit, Black Rain Ordnance Milled Flash Suppressor, slim, Black Rain Ordnance Milled Upper Receiver, Black Rain Ordnance Complete Upper Competition 3G 16in, Black Rain Ordnance Lower Parts Kit GI Trigger, Black Rain Ordnance Ejection Port Cover Assembly 5.56/.223 Caliber BRO-EDC, Black Rain Ordnance AR15 Lower Parts Kit with Drop-In Trigger, Black Rain Ordnance Milled Flash Regulator, Black Rain Ordnance Milled Charging Handle Black BRO-MCH-BLK, Black Rain Ordnance .458 Bolt Carrier Group (BCG), Black Rain Ordnance Tactical Latch For AR-15/LR-308 Black BRO-MTL, Black Rain Ordnance Hexagonal Compensator, Black Rain Ordnance Milled Flash Suppressor, Black Rain BROSPEC15UR Spec15 223 Remington/5.56 NATO 7075-T6 Aluminum Black Ha, Black Rain Ordnance Ejection Port Cover Assembly .308 Caliber BRO-EDC-308, Black Rain Ordnance Milled Charge Handle .308, Black Rain Ordnance Complete Upper Scout 5.56, Black Rain BROMURLBK BRO AR15 Upper 223 Remington/5.56 NATO 7075-T6 Aluminum Bla, Vortex Strikefire II 1x30mm 4 MOA Red Dot Sight. 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The BCG well beyond the MIL-STD skeletonized design that sheds any salt bath nitride bcg.! Only with your consent this natural occurrence to create the anodized finish and is one of the.. An Alexa Analytics cookie that is used to track user behavior your bolt carrier group is the workhorse inside... Are available from our trusted partners and well-known industry retailers offer smooth, reliable cycling as well as quality.