This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .450 BUSHMASTER/.458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increased wear and corrosion resistance. The patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle. Weighs approx. 13oz
Nickel Boron treated parts include:
- Bolt & Extractor (.450/.458 compatible)
- Bolt Carrier
- Gas Key
- Cam Pin
- Firing Pin
*MADE IN USA
