A&A AR-15 NITRIDED COMPLETE BOLT CARRIER GROUP

Our Nitride BCG's feature:

• 8620 M16 style carrier
  • H&M Black Nitride finish
  • Properly heat treated
  • Final grind before plating
• 9310 5.56/.223 bolt
  • Heat treated
  • Shot peened
  • H&M Black Nitride finish
  • MPI
• 4140 billet gas key
  • H&M Black Nitride Finish
  • Properly seated with Grade 8 fasteners
  • Properly staked to ensure reliability
• 4140 Cam Pin nitride treated for wear resistance
• Billet Machined Extractor
  • Machined from solid 4140 bar stock, heat treated and shot peened
  • Phosphate coated for reliable extraction
  • Extractor insert included
  • O-Ring included
• Firing pin precision machined from 17-4 H-900 Stainless Steel
• 100% USA Made