One Horse Llc , One Oh-ubco1 M16 Nitride Bcg 5.56 300bo

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.