APF Nickel Boron Bolt Carrier Group The APF NiB BCG is machined to mil spec standards

The APF NiB BCG is machined to mil spec standards.

BOLT:
9310 material
Shot Peened
Heat Treated
Nickel Boron Plated

CARRIER:
SAE 8620
Heat Treated
Nickel Boron Plated
Full Auto

EXTRACTOR:
CNC machined
Shot Peened
Heat Treated
Nickel Boron Plated

FIRING PIN:
Swiss machined
Heat Treated
Precision ground

GAS KEY:
CNC machined
Heat Treated
Chrome Lined
Torqued and Staked to Carrier Mil Spec.
Nickel Boron Plated

CAM PIN:
Swiss machined
Heat Treated
Nickel Boron Plated