What we like

With 9310 bolt steel, hardened and staked gas key fasteners, and $75 price tag, the PSA Nitride Full-Auto bolt carrier group is an ideal starting place for your next budget AR-15 build.

Deal details

Specs:

  • Bolt Finish: Nitride
  • Bolt Steel: 9310
  • Profile: Full Auto Profile
  • Gas Key: Grade 8 Hardened Fasteners, Staked per Mil Spec