Heckler & Koch VP9A1 X Crossover, Semi-automatic, Striker Fired, Polymer Frame Pistol, Compact, 9MM, 4.09 Hammer Forged Barrel, Black, Interchangeable Backstraps and Side Panels, Tritium Front Sight, Black Serrated Rear Sights, Optics Ready, Includes Holosun SCS, Paddle-Style Mag Release, (1)-20 Round and (1)-17 Round Magazine 81001213 The VP9's well-earned reputation for being a handgun that genuinely helps people shoot better is supported by numerous reports from law enforcement showing significant improvements in qualifying scores after adopting it. All A1 upgrades to the VP9 focus on strengthening the connection between serious users and their pistols. The improved trigger, grip frame, and controls work with the user, not against them.