CQT Weapon Systems CQT15 is a AR-Style Pistol with a number of ideal features for enthusiasts of the platform.  Starting with the core upper and lower receivers made of 7075 T-6 Aluminum, both components are built to exceed Mil-Spec Dimensions and Tolerances. A full-length top picatinny rail and compact CQT Aluminum handguard allows for ease of mounting a host of optics or accessories. The internal bolt carrier is shot peened and magnetic particle inspected with incorporated Mil Spec 8620 carrier and 9310 steel bolt.