INDICATORS ON COLT M16A1 FOR SALE YOU SHOULD KNOW

Being a adhere to up concern, what's the reciever color for The present crop of marketplace A1 uppers floating close to? Can it be the typical "colt grey" or can it be additional of the environmentally friendly park?Sad to say, I am on journey so I can not post photographs of the bolt.  It really is MPC engraved.  The only real marking about the