A REVIEW OF COLT M4 CARBINE MAGPUL SL GRAY

Charlie's supplies new upper receivers, the manufacturing unit rifle choose-offs have take a look at fired by Colt.  Upper receivers are take-offs from out of the box rifles in addition to are bought as higher receiver assemblies.  Equally are 100% equivalent.  We do not ship in Colt factory box.I essentially later on did that to a different OEM