Aero Precision AR15 5.56mm Nickel Boron BCG APRH100070C

Vendor: Aero precision Arms


  • Machined from 8620 Tool Steel (Carrier) and 9310 Carpenter Steel (Bolt)
  • Shrouded firing pin
  • Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)
  • Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked
  • 5.56 Bolt is shot Peened and MPI
  • Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
  • Tool Steel Extractor
  • High quality BCG