Coated bolt carrier group (full auto version) for AR10 (.308 WIN / 7.62x51mm / 6.5 Creedmoor) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin. BCG includes a heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This ensures a strong staking and proper gas system functioning.

Mil-Spec AR10 Bolt Carrier and Key:

  • Compatible w/ any DPMS LR308 platforms
  • Mil-Spec Bolt Carrier Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC
  • Mil-Spec Gas Key
  • Key Staked with Grade 8 Screws, per Mil-Spec
  • Full Auto Carrier (Backward compatible with all semi-auto rifles)