COLT SMG UPPER RECEIVER THINGS TO KNOW BEFORE YOU BUY

Posted by Yukon58 on 1st May well 2023 I decided to go with this sixteen” upper for my Colt lower once the fiasco with the atf pistol brace ruling. I wasn’t likely to fluff all around so I went all Colt and am glad I did. I have never selected a flat top rated or A1 (without the need of FA and deflector).  I am contemplating a 16" flattop, as