This upper receiver is designed to accept Colt SMG Publications due to its modeling around the revered Colt Sample PCC. Nonetheless, it’s excellent to realize that it might also deal with Glock journal-fed decrease receivers in addition. So you've got some scope in this article to build a PCC with https://juliusjvera.blogzet.com/5-simple-statements-about-colt-10-5-inch-9mm-smg-upper-receiver-assembly-explained-41325557