"The HK VP9A1 K Optics-Ready Ambidextrous Semi-Auto Pistol enhances the proven VP9 formula with a better trigger, better ergonomics, improved controls, and optics compatibility. The VP9A1 trigger has nickel Teflon-coated trigger bar and short, light take-up with an exceptional single-action break followed by a short, positive reset. The grip angle, front-strap contour, and high rear saddle were all designed to perfectly fit your hand. With interchangeable back straps and side grip panels, you can create 45 different configurations to dial in your precise fit. Controls are ambidextrous, making the VP9A1 ideal for right- and left-handed shooters. And the optics-ready slide easily accepts most popular red dots. This is the compact ""K"" model, which comes with a 4.09"" barrel. Front and rear slide serrations. Flared magazine well. Includes two 15-round magazines. Improves upon the VP9 with a better trigger, better ergonomics, and ambidextrous controls Nickel Teflon-coated trigger bar for smoother pull Short, light trigger take-up and short, positive reset Interchangeable side and rear grip panels Ambidextrous controls for right- and left-handed shooters Optics-ready slide Compact ""K"" model with 4.09"" barrel Front and rear slide serrations Flared magazine well"