Premium Nickel Boron Bolt Carrier Group

Premium Nickel Boron Bolt Carrier Group

Toolcraft, Inc.

Regular price $109.95 Sale

  • 5.56/.223/.300 Black Out
  • Full Auto Capable
  • 9310 MPI and HPT Tested bBolt
  • Case Hardened 8620 Carrier
  • 4130 Gas Key
  • Grade 8 Hardware With Proper Staking
  • Gas Key Sealed With Permatex No.3
  • 8740 Hard Chrome Firing Pin
  • Nickel Boron Coated (Will Not Chip Or Flake) 
  • Proudly Made In The U.S.A
  • Unconditional Lifetime Warranty