One of the nicest standard bolt carrier groups that you will find.  Every BCG we sell has been fully inspected to ensure a lifetime of functionality for you.  Smooth matte black finish with an H&M BlackNitride treatment, these are some of the best looking BCGs we’ve found.  No MIM or Cast components.  Staking is strong, and carriers and bolts are ground to dimensional perfection.  Lifetime guarantee included.

• 8620 Carrier, H&M BlackNitride finish, heat treated and ground to perfect dimensions, M16 profile
• 9310 Bolt, H&M BlackNitride finish, heat treated, shot peened, MPI, and ground to perfect dimensions
• Billet 4140 extractor, heat treated, shot peened, and phosphate coated for reliability
• Extractor spring has the proper insert and o-ring
• 17-4 stainless firing pin
• Billet 4140 gas key, properly torqued and staked
• No markings or logos
• 100% USA made and guaranteed for life