A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts Kit

A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts KitA*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The AR Essentials Kit includes bolt carrier group parts for the AR-15/M4 platform that can wear out or simply become lost. Manufactured to precise tolerances, these high-quality parts are MIL-SPEC, ensuring a correct fit with your AR-15 rifle. Stay prepared and keep your rifle running with the AR Essentials Kit on hand.Kit Includes:Nickel-boron coated cam pinChrome firing pinFiring pin retaining pinEjectorEjector springEjector pinExtractor with attached extractor springExtractor spring with insertExtractor axleGas rings