THE BEST SIDE OF COLT M4 TROOPER 5.56MM 16"

Charlie's gives new upper receivers, the manufacturing facility rifle just take-offs have exam fired by Colt.  Upper receivers are acquire-offs from out from the box rifles and in addition are acquired as upper receiver assemblies.  Both of those are a hundred% identical.  We don't ship in Colt manufacturing facility box.This patent-pending meth