AR15 - BCG Fat Cat Polished Black DLC

Our top of the line bolt carrier group with all the bells and whistles.  Featuring Armorlube's Duplex coating on the bolt, cam pin, and gas key.

• 8620 ground carrier
  • Machined from aircraft quality 8620 steel
  • Heat treated and precision ground
  • Chrome lined bore
  • Large diameter rear end helps mitigate bolt tilt
  • Sand cuts on the forward rails to shed debris
  • Black Diamond Like Coating
• Carpenter 158 Bolt
  • Machined from C158
  • Properly heat treated and precision ground
  • 100% high pressure tested
  • 100% magnetic particle inspected
  • Armorlube Coating
  • S7 Ejector
  • S7 Extractor retaining pin
  • Machined extractor - phosphate coated
  • Mil-Spec extractor spring/insert/Viton O-ring
  • Optional upgrade to dual ejector bolt.
• 4130 Gas Key
  • Machined from bar stock
  • Proper bore diameter
  • Precision hydraulic staking on OCKS screws
  • DLC Armorlube Coating
• 4340 Cam Pin
  • Heat treated and precision ground
  • Armorlube Coating
• 8640 Firing Pin
  • Heat treated and precision ground
  • Chrome plated per the mil-spec

Our bolt carrier groups are guaranteed for life.   If you have an issue, we'll take care of it.