All A1 upgrades to the VP9 revolve around enhancing the connection between serious users and their pistols. The improved trigger, the grip frame, the controls. They all work better with the user in the uncompromising pursuit of performance. The VP9A1 series features a true compact K model. With a 4″ barrel and a shorter frame, the K is a great concealed carry option between typical full-sized and subcompact pistols. Includes Vortex CCW and two magazines.