This upper receiver is created to just accept Colt SMG magazines because of its modeling within the revered Colt Sample PCC. Even so, it’s superior to realize that it could also handle Glock magazine-fed lessen receivers also. So you have got some scope in this article to make a PCC https://collinhudmv.free-blogz.com/73924839/fascination-about-colt-10-5-inch-9mm-smg-upper-receiver-assembly