COLT 9MM UPPER FUNDAMENTALS EXPLAINED

Posted by Yukon58 on 1st May perhaps 2023 I made a decision to go with this 16” upper for my Colt decrease once the fiasco Using the atf pistol brace ruling. I wasn’t about to fluff about so I went all Colt and am happy I did.Mil-spec Proportions and coating ensure the very best top quality and proper ingredient interface for the future big-bor