Quick view Colt Manufacturing Colt Assembled M4 AR-15 Upper Receiver — Forged 7075-T6, Mil-Spec $179.99 Genuine Colt Manufacturing M4 upper receiver, forged from 7075-T6 aluminum and mil-spec hardcoat anodized. Comes fully assembled with forward assist and ejection port (dust) cover installed — drop it... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List
