Posted by Yukon58 on 1st May perhaps 2023 I decided to go with this particular 16” upper for my Colt lessen after the fiasco With all the atf pistol brace ruling. I wasn’t going to fluff all around so I went all Colt and am glad I did. The server https://brookstrhvi.blogolenta.com/23414148/the-basic-principles-of-colt-smg-upper-receiver