Spikes Tactical Nickel Boron Bolt Carrier Group HPT/MPI M16 BCG (5.56)

$ 209.95

Features

  • Machined from 8620 Tool Steel (Carrier) and 158 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. 
  • Bolt is shot Peened and HPT/MPI
  • Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
  • Tool Steel Extractor

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