H&K VP9A1 K with Holosun SCS 9mm Luger 4.09in Black Pistol - 15+1 Rounds - With the new HK VP9A1, the best pistols (and the best shooters) get even better. The VP9's well-deserved reputation for being a handgun that actually helps people shoot better is backed by numerous reports from law enforcement of qualifying scores improving significantly after adopting it. 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. In a first for the VP series, the VP9A1 series features a true compact "K" model. With a 4-inch barrel and a shorter frame, the "K" is a great concealed carry option between typical full-sized and subcompact pistols. Holosun SCS Red Dot Optic Night Sights Interchangeable Grip Panels