FM Products .45 Caliber Bolt Carrier and Heavy Buffer

This Foxtrot Mike 45CAL Glock style Builders essentials kit includes the key components to have a reliable 45CAL PCC. Each kit contains a complete Premium FM45 Bolt Carrier Group BCG, .308 Carbine Recoil Spring and an extra heavy 8.5 oz buffer to ensure proper function on your 45CAL Glock Style PCC Build. The 6.4oz Heavy Buffer is the perfect weight to ensure reliable feeding of any blow-back operated PCC 3.7in overall length, requires no spacer and helps prevent bolt catch breakage. Smoother function, less felt recoil, and reduced rate of fire from your AR pistol. The FM45 Heavy Buffer Kit is compatible with all 45CAL upper receivers. FM Products uses a Premium .308 Carbine Recoil Spring to soak up the recoil impulse created by Blow Back platforms. The extra heavy duty recoil spring helps with feeding and reliability, and is critical to reliable function of a 45CAL Blow Back gun. Specifications for FM Products .45 Caliber Bolt Carrier and Heavy Buffer: Manufacturer: FM Products Color: Black Finish: Salt Bath Nitride Fabric/Material: 4340 Steel Cartridge: .45 ACP Gun Make: AR Platform, Glock Gun Model: AR-15 Included Accessories: 45 Caliber Bolt Carrier Group, .308 Carbine Recoil Spring, Extra Heavy 8.5oz Buffer Condition: New Weight: 8.5 oz Length: 3.7 in Features of FM Products 45 Caliber Bolt Carrier, Heavy Buffer and Recoil Spring Compatible with all blow-back 45CAL upper receivers Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance Heavy 8.5 oz. Weight, perfect for 45 Caliber platforms Kit comes with a .308 Carbine Recoil Spring to ensure proper function of your 45CAL P.C.C. Build Premium 4340 Steel Bolt Carrier, machined pre hardened S7 Tool Steel Extractor S7 Tool Steel Firing Pin coated in Nickel Boron Deep Black Melonite 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 45CAL hammers Premium S7 Nickel Boron plated firing pin 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 2 piece BCG on the market Extractor spring and Hardware made to Colt Spec Package Contents: FM Products .45 Caliber Bolt Carrier and Heavy Buffer