Bolt Carrier Groups

Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories. CMMG, Firing Pin, Fits AR-15 in 223/556/300Blk, Silver Firing...

Forward Controls Design SCCG Bolt Carrier Group -Dimpled  The factory M16 carriers are very good, and improvements over them would be hard to come by.  Modern coatings have made them easy to clean and quite slick, which we can appreciate...

Forward Controls Design SCCG Bolt Carrier Group -Serrated The factory M16 carriers are very good, and improvements over them would be hard to come by.  Modern coatings have made them easy to clean and quite slick, which we can appreciate. We're...

KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Phosphate The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts.  Ejector holes are centered on the lugs to avoid any reduction in...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...

KAK - K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, NP3 Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you...

KAK - K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, FDE PVD, Chrome Lined Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...

Mystic Black Low Mass Steel BCG – .223 / 5.56 / .300 AAC Blackout Bolt carrier group for AR15, M16, or M4 compatible with semi and full auto versions. Carrier is machined from Mil-Spec 8620 tool steel with shrouded firing pin and Mil-Spec chrome...

Forward Controls Design SCP SOTAR Cam Pin - Nitride SCP (SOTAR Cam Pin) is a collaboration between Chad Albrecht of School of American Rifle) and Forward Controls Design.   SCP features a machined dimple on one side of the carrier cam pin, so the...

The Bolt Component Kit you've described is a specialized set of replacement parts specifically designed for the bolt of .223/5.56 AR rifles. This kit includes essential components that are crucial for the proper functioning of the bolt assembly. Here's a...

Firing pin retainer pin Material: Carbon Steel Heat Treat: HRC 45-50 Finish: Manganese Phosphate