I have this extra colt a2 upper with raised forge marks that i have never seen before a keyhole with 3 dots.
Posted: 5/2/2016 1:58:18 PM EDT
[#1]
The early Cerro Forge has the three dots inside. I ran across one at a fun-show and thought it was a casting flaw. But it was actually 3 dots inside the key-hole. Nice Colt A2 upper you got there
