M4 CARBINE OEM1 THINGS TO KNOW BEFORE YOU BUY

Charlie's offers new upper receivers, the manufacturing unit rifle get-offs have check fired by Colt.  Higher receivers are acquire-offs from out on the box rifles as well as are obtained as higher receiver assemblies.  Each are 100% similar.  We do not ship in Colt manufacturing unit box.The Colt Enhanced Patrol Rifle (EPR) is the following evo