Fostech Complete M16/AR15 Bolt Carrier Group Nickel Boron Coating Low Mass - 6229

FosTecH 6229: This phenomenal and beautiful Nickel Boron mil-spec bolt carrier group is one of the main components you need to finish your AR-15 build!. This BCG is ready to be dropped in your upper to provide smoother action and easier cleaning. This low-mass BCG provides faster cycling, and the best part is that it works flawlessly with the FosTecH Echo triggers and makes them shoot even quicker! SPECS - Compatibility: .223 / 5.56 / .300BLK compatible - Plated inside and out with Nickel Boron - 9310 alloy steel is Magnetic Particle Inspected - 8620 steel M16 style bolt carrier lightened for low mass - 4130 steel staked and torqued gas key - Weight: 8.5 oz - MADE IN USA!!! - SKU: ACC-FT-6229 - UPC: 639266300069 - Caliber/Gauge: .223 / 5.56 - Firearm Fit: AR-15 - Threaded Barrel: No - Barrel Length: No - Condition: New