Building a PCC with a Colt AR9 Lower

Picking up a colt ar9 lower is usually the first step for anyone who wants that classic, submachine gun look for their 9mm carbine. While Glock-style lowers have definitely taken over a huge chunk of the market because everyone seems to have a pile of Glock mags sitting in their nightstand, there's just something about the Colt pattern that feels "right" to a lot of shooters. It's got that old-school aesthetic that reminds you of the original Colt 635, and for many, that's enough to tip the scales. ...

May 3, 2026 · 6 min · Tracie Hugo