Posted by Yukon58 on 1st May perhaps 2023 I made a decision to go with this 16” upper for my Colt reduce following the fiasco While using the atf pistol brace ruling. I wasn’t going to fluff close to so I went all Colt and am happy I did. Old https://colt105upper52955.blogsvila.com/26852433/detailed-notes-on-colt-9mm-upper