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 Particle Inspected)
Hardened Steel Extractor
Heavy Duty Extractor Spring
Black Extractor Insert
Mil-Spec O-Ring
Milspec Gas rings (3)
Parkerized exterior
Bolt Carrier
Proper 8620 steel
Shot Peened
Chrome Lined Carrier
Properly Staked Chrome lined Gas Key
Grade 8 Gas Key Screws
Heavy Duty M16 design
Parkerized exterior
Cam Pin Hardened Steel Parkerized exterior
Firing Pin Hardened Steel Chrome Plated
Firing Pin Retaining Pin Hardened Steel Black Oxide Exterior