M16 BCG - Nickle Boron

ALPHA NiB M16 Bolt Carrier Group

  • Complete M16 bolt carrier group assembly
  • Nickle boron plated.
  • Plating has 52 RC hardness
  • MPI tested 9310 Steel bolt. 8620 Steel carrier. 
  • Requires very little lubrication and has a very slick surface
  • Easier to clean than a standard bcg.
  • Side staked gas key with grade 8 fasteners









  • Item #: M16BCG_NiB

Nickel Boron MPI Tested Bolt Carrier Group

Price: $139.95
Availability: Out-of-Stock