COLT M4 CARBINE MAGPUL SL GRAY SECRETS

Charlie's supplies new upper receivers, the factory rifle take-offs have exam fired by Colt.  Upper receivers are get-offs from out with the box rifles and likewise are obtained as higher receiver assemblies.  Both of those are one hundred% identical.  We don't ship in Colt manufacturing facility box.Upgradable Parts: Gives the pliability for ma