Bolt carrier group for your AR15 or M16 (full auto). Manufactured and assembled by USGI Contractor DSArms. Completely assembled, includes bolt carrier, bolt, firing pin, cam pin, and retaining pin.
Bolt
9310 Super Alloy Steel (7% stronger than Carpenter No. 158® Steel)MPI Bolt (Magnetic Pa le Inspected)Hardened Steel ExtractorHeavy Duty Extractor SpringBlack Extractor InsertMil-Spec O-RingMilspec Gas rings (3)Parkerized exterior
Bolt Carrier
Proper 8620 steelShot PeenedChrome Lined CarrierProperly Staked Chrome lined Gas KeyGrade 8 Gas Key ScrewsHeavy Duty M16 designParkerized exterior
Cam Pin Hardened Steel Parkerized exterior
Firing Pin Hardened Steel Chrome Plated
Firing Pin Retaining Pin Hardened Steel Black Oxide Exterior










