Rock River Arms RRA 16" Midlength Complete A4 Upper .223 5.56 AR-15 (AR0375B)
AR15 barreled and headspaced complete upper receiver new with full factory warranty from RRA. This is the upper used in the 1 MOA accuracy rifles RRA builds. In stock now and ready for your lower. Ships directly to your door (no FFL required). Wylde chamber to safely handle .223 or 5.56 surplus.
ALL LOCAL AND STATE REGULATIONS APPLY. ENSURE YOU ARE AWARE OF ALL LOCAL ORDINANCES BEFORE ORDERING FOR YOUR BUILD. FLASH HIDER AND BAYONET LUG ARE PRESENT.