Posted by Yukon58 on 1st Might 2023 I chose to go using this type of sixteen” upper for my Colt reduce once the fiasco with the atf pistol brace ruling. I wasn’t planning to fluff all over so I went all Colt and am glad I did. Posted by Phil https://coltsmgupperreceiver64173.is-blog.com/32934280/how-much-you-need-to-expect-you-ll-pay-for-a-good-colt-smg-upper