One Horse M16 Bolt Carrier Group 5.56/.300 BLK Nitride

Run your rifle with confidence using this reliable M16 bolt carrier group. Built for 5.56/.223 and .300 Blackout, it delivers smooth cycling, consistent extraction, and dependable performance in any setup. The full nitride finish adds durability, corrosion resistance, and easy maintenance, all backed by Mil-Spec construction and a properly staked gas key.A simple, rugged upgrade for any AR15 build.9310 Tool Steel Bolt8620 AQ Steel CarrierFull MIL-SPEC Heat TreatmentMagnetic Particle Inspection (MPI)Back of Lugs Chamfered for ReliabilitySpring, Insert, & O-Ring Installed on Bolt ExtractorSalt Bath Nitrided Bolt, Carrier & Cam PinS7 ExtractorStaked Gas Key with Grade 8 FastenersFull Auto CompatibleForward Assist SerrationsAll USA Materials and Manufacturing