Rock River Arms Completed Upper Receiver Coyote Carbine .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black AR0592. 223/5.56mm Completed Upper. These AR15 Upper Receivers from the professional product specialists...
Rock River Arms Completed Upper Receiver Coyote Carbine .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black AR0592. 223/5.56mm Completed Upper. These AR15 Upper Receivers from the professional product specialists...