DSA AR15 M16 Type Complete Bolt Carrier Group - 5.56-.223-300 BLK

The DS Arms AR15 M16 Cut complete Mil-Spec bolt carrier group is perfect for your next build. We machine these assemblies using the latest manufacturing techniques, material and finishes. The carrier is shot peened 8620 Steel and the bolt is MPI 9310 material. All components feature Mil-Spec phosphate finish and the interior of the gas key & bolt location on the carrier is chrome lined per Mil-Specs. This complete AR15 M16 cut bolt carrier group assembly includes the complete bolt, complete carrier with properly staked gas key, cam pin, firing pin and firing pin retaining pin.

Bolt Specs:
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
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
Item Number: ZM485018509-A

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