St Croix Tactical Nitride Bolt Carrier Group - AR15/M16

$ 94.99

 

  • 5.56/.223
  • 9310 Steel Bolt Nitride 
  • MPI Bolt (Magnetic Particle Inspected)
  • Shot Peened Bolt
  • Nitride Carrier (Auto)
  • Nitride Gas Key
  • Grade 8 Hardened Fasteners
  • Key Staked per Mil-Spec
  • Black Extractor Insert
  • Crane O-Ring
  • No Engraved Logo