Bad Attitude Department "Fat Cat" Bolt Carrier Group - Polished 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.