Bolt Carrier Groups

CMMG Firing Pin Retainer Pin - M16/AR15 Upgrade your AR-15 or M16 with confidence using the CMMG Firing Pin Retainer, engineered for uncompromising performance and reliability. Whether you're an avid shooter, a competitive marksman, or building your...

Cryptic Coatings Bolt Carrier Group - 6.5 Grendel Type II/6mm ARC Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG...

Cryptic Coatings Bolt Carrier Group - 9mm PCC Cryptic 9mm bolts are designed for use with GLOCK and COLT style magazines as well as drop in mag well adapters. They feature an extra heavy duty, 4140 heat treated, external extractor specifically designed...

Cryptic Coatings Bolt Carrier Group - 6.5 Creedmoor Coated bolt carrier group (full auto version) for AR10 (6.5 Creedmoor) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin. BCG includes a heat treated gas key. Gas key is...

Cryptic Coatings Bolt Carrier Group - .308 WIN/7.62x51mm Coated bolt carrier group (full auto version) for AR10 (.308 WIN / 7.62x51mm) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG...

Cryptic Coatings Bolt Carrier Group - .223/5.56/300 Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper...

Faxon Firearms 6.5 Grendel / 6mm ARC Bolt - Black Nitride Finish Seeing MIL-SPEC as just the starting point, Faxon set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt,...

Faxon 5.56 9310 Bolt Nitride Black Seeing MIL-SPEC as just the starting point, Faxon 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...

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...

LaRue Tactical Stripped Upper Receiver

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...