FailZero Lightweight EXO Nickel Boron Bolt Carrier Group 5.56 223 300 BO

The FailZero Lightweight Bolt Carrier Group 5.56 offers a smoother operation with a 21% weight reduction from standard Mil-Spec carriers, delivering less perceived recoil and faster target reacquisition for quicker follow-up shots in both competition shooting and tactical scenarios. This EXO Nickel Boron coated BCG provides permanent dry lubricity, extreme durability, and easier cleaning, with all critical parts treated for enhanced wear and corrosion resistance, including the bolt, extractor, cam pin, carrier key, and firing pin. Lightweight design translates to easier handling, faster follow-up shots, and better control of groupings, making it an excellent choice for competition shooters and hunters seeking reduced gear weight without sacrificing reliability. The carrier weighs 6.4 oz while the complete BCG totals 9.2 oz, and it is compatible with all Mil-Spec AR platforms and 5.56/.223 and 300 Blackout, ensuring broad applicability across rifles. Fully assembled and ready to drop into most mil-spec M16, M4, or AR-15 upper receivers, this FailZero BCG combines a new high polish finish with a FailZero logo engraved into the carrier for a polished, high-performance upgrade that enhances smooth operation and maintenance.