Description
Sig Sauer MCX-Spear LT, Complete Upper Receiver, .223 Remington/5.56 NATO, 11.5″ Threaded Barrel, 1/2X28 Thread Pitch, Fits AR-15 Lower Receivers, Anodized Finish, Black, Includes Charging Handle and Bolt Carrier Group, 3-Prong/SIG Suppressor QD Muzzle Device UAMCX-556N-11B-LT-BK
