Yankee Hill Machine Billet Stripped Upper Receiver For AR15s YHM-110-BILLET. Inside is coated with dry film lube. Accepts standard upper receiver part and mil-spec lower receivers. Fit and function with your standard lower receiver. Hardcoat...
Yankee Hill Machine Billet Stripped Upper Receiver For AR15s YHM-110-BILLET. Inside is coated with dry film lube. Accepts standard upper receiver part and mil-spec lower receivers. Fit and function with your standard lower receiver. Hardcoat...