CMMG, Bolt Carrier Group M16, 556NATO, Black
- 8620 Steel Carrier
- Phosphate Finish
- 9310 Steel Bolt
Complete Mil Spec M16 bolt carrier group.
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.