Knight Armament SR-15 16″ Complete Upper Receiver

NEW IN BOX KNIGHT ARMAMENT (KAC) SR-15 Complete Upper Receiver with 16″ Hammer Forged Chrome lined 1/7, 5.56mm NATO Barrel, E3 Enhanced Bolt Carrier Group, Charging Handle, Free-Float URX4 MOD 2 M-LOK Rail & Rail Covers, Proprietary QDC Flash Hider, Front & Rear Flip-up Sights, Knight Heavy Buffer, Front Rail Attachment & Factory Manual.

KAC Part #31962.