Colt 6921 14.5″ M4 Complete Upper Receiver with Bolt Carrier Group- New & Unfired

NEW & UNFIRED Colt 6921 Complete Upper Receiver. 14.5″ Stepped Down Profile Barrel with Cage Code, M4 Upper Flat-Top Receiver with Cage Code, Fixed Front Sight Post, M4 Insulated Hand Guard, Charging Handle, MBUS Rear Sight, A2 Flash Hider, Complete Colt Bolt Carrier Group. Carrier is  Marked “C” and Bolt is Marked MPC. Current Production in Colt Black.

ALL NFA RULES APPLY