Posted by Yukon58 on 1st Could 2023 I decided to go using this type of sixteen” upper for my Colt reduced following the fiasco with the atf pistol brace ruling. I wasn’t about to fluff all around so I went all Colt and am glad I did. I've dabbled within https://fernandoynalx.tkzblog.com/26618673/a-secret-weapon-for-colt-9mm-upper