Bolt Assembly

AR15 Bolt Assembly

Very important portion of the AR platform. These are the parts that determine how well your gun will operate

  • Major Options – Quality Testing, Gas Key Staking, Shrouded Firing Pin
  • Costs $120-250
  • Tier One – High Pressure Testing (HPT), Magnetic Particle Inspection (MPI)
  • Tier Three – May need upgraded parts. May need to be upgraded

Bolt Carrier Group (BCG)

AR15 Bolt & Bolt Carrier Assembly Parts List:

  • Bolt Assembly
  • Bolt Carrier
  • Extractor
  • Bolt
  • Gas Key Assembly
  • Extractor Spring Assembly
  • Bolt Rings
  • Bolt Carrier Key
  • Extractor Pin
  • Bolt Cam Pin
  • Key Screw (x2)
  • Ejector
  • Firing Pin
  • Ejector Helical Spring
  • Firing Pin Retaining Pin
  • Ejector Pin
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