COLT M4 CARBINE MAGPUL SL GRAY THINGS TO KNOW BEFORE YOU BUY

Charlie's delivers new upper receivers, the factory rifle consider-offs have test fired by Colt.  Higher receivers are just take-offs from out on the box rifles as well as are bought as higher receiver assemblies.  The two are one hundred% equivalent.  We don't ship in Colt manufacturing unit box.You plus the Some others don’t have an understa