Aero Precision's upgraded nickel boron bolt carrier group is an eye catching addition to your AR build. © 2021 Cryptic Coatings | Sitemap This characteristic provides … This AR-15 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec M16, M4 or AR-15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme NiB impregnates the surface and becomes part of the metal. Whether or not those advantages are worth the increased cost is something only you can decide. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. Properly built, no corners cut, 100 percent US made. No AR15 build is complete without a high-grade Nickel Boron bolt carrier group - BCG . This is our standard Nickel Boron Coated Bolt Carrier Group for the 5.56./.223 caliber. Electroless nickel coating is a chemical process where a layer of nickel metal alloy, most commonly nickel boron, is deposited onto all surface components of a bolt carrier group. Right to Bear Arms and Supply proudly sells these core components from top-of-the-line brand names, including Anderson Manufacturing, Rock River Arms, Spike’s Tactical and WMD Guns.  All critical parts are coated with EXO Nickel Boron … This allowing for less time spent on cleaning and maintenance compared to the standard Mil-Spec bolt carrier group coating. In my opinion, the benefits of a Nickel Boron BCG are undeniable. Available in either 9310 or C158 Steel Bolt. All Right to Bear rimfire products are compatible with CMMG 22 conversion kits and other rimfire components. Investing in a quality AR15 bolt carrier group is the best way to prevent malfunctions in the long run. AR-15 NITRIDE SKELETONIZED LOW MASS BOLT CARRIER GROUP … We are considering these blemished because they did not receive a pre or post coating polish. When you buy an AR15 bolt carrier group for sale from Right to Bear, you can rest assured that you are getting the highest quality parts from the experts most familiar with AR15 builds. We carry Aero Precision, Toolcraft, Fail Zero and Spike's Tactical BCGs with The nickel boron coating is applied by … ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group OilSlick Ar15 Bolt Carrier Group m16 BCG $329.42 $236.82 $260.04 $189.36 $329.42 $199.00 Nickel Boron EXO M16 / Ar15 Full Auto Bolt Carrier Group Titanium Nitride We offer quality NP3 bolt carrier groups (nickel Teflon BCG), NiB-X bolt carrier groups (nickel boron BCG) and FailZero BCGs that reduce cleanup and wear and tear due to their durable coatings that reduce friction and buildup over time. Investing in a quality AR15 bolt carrier group is the best way to prevent malfunctions in the long run. 308AR Nickel Boron Drop-in bolt carrier group has a self-lubricating surface that eliminates the need to apply oil or grease that can attract dirt, dust, unburned powder, and carbon and lead to cycling failures. RTB Dedicated 22 LR Stainless Steel Bolt Group, M16/AR15 Bolt - 9310 MPI (5.56) - Completion Kit - Black Nitride, .458 SOCOM Black Nitride Bolt Completion Kit - MPI, 9MM AR-15 Bolt Carrier Group - Colt / Glock, WMD Guns Nickel Boron NIB-X Bolt Carrier Group M16 Full Mass - Polished, Spikes Tactical Bolt Carrier Group HPT/MPI (5.56), Spike's Tactical Lightweight Nickel Boron BCG, Spikes Tactical Nickel Boron Bolt Carrier Group - HPT/MPI M16 BCG (5.56), Fail Zero M16/Full Mass Nickel Boron EXO Bolt Carrier Group - BCG, RTB Nickel Boron Bolt Carrier Group - 158 - MPI - M16 BCG (5.56), Anderson Manufacturing Complete M16 Bolt Carrier Group - Phosphate, CMMG Dedicated 22 LR Stainless Steel Bolt Group, Anderson Manufacturing Complete M16 Bolt Carrier Group - Nitride, RTB Complete M16 Bolt Carrier Group - Polished Black Nitride, M16/AR15 Bolt - 9310 MPI (5.56) - Completion Kit - (Nickel Boron), RTB Nickel Boron Bolt Carrier Group - 9310 - MPI - M16 BCG (5.56), Phosphate Complete Bolt Carrier Group - MPI, FAXON GUNNER LIGHT WEIGHT BOLT CARRIER GROUP - COMPLETE - NITRIDE, FAXON BOLT CARRIER GROUP - COMPLETE - NITRIDE, 7.62x39 AR15 Bolt Completion Kit - Enhanced Firing Pin, Anderson Manufacturing 5.56/.223 Bolt Carrier (carrier only), Anderson Manufacturing Complete M16 Carrier Group - Lightweight Low Mass, Kaw Valley 9MM Blow Back AR-15 Bolt Carrier Group - Glock & Colt, RTB Mil-Spec Phosphate Carrier w/ Gas Key, FAXON 9mm PCC Blowback Full Mass Bolt Carrier Group - Gen 2 - 9mm, WMD Guns NIB-X Nickel Boron .308 / AR10 Bolt Carrier Group - 308, RTB Complete Lightweight Bolt Carrier Group - Black Nitride, RTB AR15 Lightweight Carrier - Black Nitride (carrier only), Fail Zero Nickel Boron EXO Bolt Carrier Group BCG - Enhanced Firing Pin - 7.62x39, Fail Zero Nickel Boron EXO Bolt Carrier Group BCG - .308 Win. 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