› rock-river-arms-completed-pistol

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals at...