Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome

Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome

Microbest
$139.00
Current Stock:
Adding to cart… The item has been added
Description

This drop-in AR-15 BCG features a corrosion resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected carpenter 158 steel bolt. Crafted from domestically sourced 8620 steel, the M16 cut carrier includes a gas key fastened by properly staked grade 8 screws. Made in the U.S.A.

Features:

  • .233/5.56 NATO
  • Hard chrome finish
  • M16 cut
  • Aircraft quality 8620 steel carrier
  • 4130 steel gas key
  • Properly staked grade 8 gas key screws
  • Carpenter 158 steel bolt
  • 4140 steel extractor
  • MIL-SPEC O-ring
  • MIL-SPEC gas rings
  • 4140 steel cam pin
  • 8740 steel firing pin with hard chrome finish
  • Magnetic particle inspected
  • Proudly made in the U.S.A.