Gents I am not to familiar with the AR. as I am with US WWII weapons. Although I have owned a 16" Colt A1 CAR for over 20yrs. I was looking to buy an upper for my spare colt lower. Well I picked up a mint blue label today for $700 VS just a barreled upper for like 500-550. Well the thing was fairly clean but I like to go over my rifles. So upon inspection it has the usual Colt proofs on the barrel CMPicon 1/7 and on the bolt carrier it is marked "C" but the bolt its self is not marked with the MPC, What does this mean? Not a Colt bolt? I have no reason to believe that it has been changed but could someone please shed some light on this question. Thanks Jeff B [IMG][/IMG]
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