Foxtrot Mike Products Premium 9mm AR-15 Bolt Carrier Assembly

Foxtrot Mike Products Premium 9mm AR-15 Bolt Carrier AssemblyFoxtrot Mike Products offer the highest quality materials and manufacturing processes available. This Premium 9mm Bolt Carrier Assembly is compatible with all 9 mm Pistol-Caliber AR builds. Maintaining a harder core than standard 8620 steel, this carrier is machined from hardened Premium 4340 Steel. The FM products' 9mm BCGs are machined in a pre-hardened state to improve post-machining tolerances. A long-duration salt-bath nitride finish is applied to provide a long service life and superior corrosion resistance.*This product is for all FM 9mm rear charge uppers and FM front charge uppers*Features 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 and 9mm hammers Forged, then precision-machined extractor made from S7 tool steel M16 profile Manufactured with ISO:9001 and AS:9100 quality certifications Premium one-piece design, much stronger than the 2-piece BCG on the market Made in the U.S.A. Extractor spring and Hardware made in the USA to Colt SpecSpecifications Caliber: 9mm Luger Carrier Finish: Salt Bath Nitride Carrier Material: 4340 Steel Carrier Style: M16 Bolt Carrier Gas Key: Staked Platform: AR-15 Premium 4340 Steel Bolt Carrier, machined pre-hardened. S7 Tool Steel Extractor and Firing Pin Premium S7 Firing Pin coated in Nickel Boron