AR15 Rifle Uppers .223 / 5.56
Complete AR15 Upper 16″ M4 1×8 5.56, Carbine Single Rail Height Gas Block, M16 BCG
AR15 Rifle Uppers .223 / 5.56
Complete AR15 Upper 16″ M4 1×8 5.56, Carbine Single Rail Height Gas Block, M16 BCG
