This Premium 45 caliber Bolt Carrier Assembly is compatible with all 45 caliber Glock style Pistol Caliber AR builds. Maintaining a harder core than standard 8620 steel, this carrier is machined from Premium 4340 Steel. The outside diameter is precision ground prior to machining in a pre-hardened state for improved tolerances post machining and coating. A long duration salt bath nitride finish is applied for a long service life and superior corrosion resistance.

Features:

  • Premium 4340 Steel Bolt Carrier
  • Long duration, deep penetration Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance
  • Removable weight, compatible with all PDW stocks and Captured Recoil Systems on the market
  • Ramped to accommodate both MIL-SPEC hammers
  • Premium 17-4 stainless steel firing pin
  • Forged, then precision machined extractor made from S7 tool steel
  • M16 profile
  • Forward assist serrations
  • Manufactured with ISO:9001 and AS:9100 quality certifications
  • M67 firing pin retainer, made out of 17-4 Stainless Steel
  • Premium one piece design, much stronger than 2 piece BCG on the market
  • Made in the U.S.A.
  • Extractor spring and Hardware made to Colt Spec