Description

The Zero Group MFG ZBCG is a solid no frills offering boasting everything you need in a quality dependable BCG and nothing you don’t. Each ZBCG regardless of coating is individually assembled, Test fired, and QC’d.

  • 8620 Heat Treated and DLC Coated M16 Carrier
  • C158 Shot Peened, Heat Treated, MPI/HPT (Batch), and DLC
  • Gas Key DLC Coated Staked and Secured Using OCKS Screws
  • Cam Pin DLC Coated, Laser Marked For Repeatable Same Direction Installation Ensuring Even and Consistent Wear
  • Extractor Phosphate Coated, Heat Treated and Shot Peened
  • Sprinco 5 Coil Extractor Spring & Insert
  • Sprinco Enhanced Ejector Spring