The VPSK has the features of the latest" state-of-the-art handgun. All controls are completely ambidextrous. Slide releases are present on both sides of the frame and the paddle style magazine release can be easily activated by left- or right-handed shooters. HK's patented charging supports is also present on the VPSK. The charging supports are simple components that are mounted on each side of the rear of the slide and provide better gripping leverage for racking the slide rearward. The charging supports speed reloading and make operating the VP easier for shooters with reduced hand strength. VPSK pistols can use a variety of proven HK magazines" including compact double stack 10-round flat floor and 13/15-round extended magazines for a more ergonomic grip. VPSK pistols have an abbreviated Picatinny MIL-STD-1913 rail molded into their polymer frame for mounting lights and accessories. VPSK pistols use a proprietary captive flat recoil spring that helps reduce the recoil forces affecting the operator and the handgun" improving shooter control during rapid firing and prolonging component life span. HK's famous cold hammer forged barrel — made from cannon grade steel — ensures a long service life. Similar HK barrels on 9 mm P30 models have fired more than 90"000 rounds in endurance tests in 2010. The polygonal bore profile" with no traditional lands-and-grooves rifling" contributes to longer service life as well as a slight increase in muzzle velocity. The VPSK's machined steel slide is protected from corrosion and wear by HK's hostile environment finish and all metal components" including springs and pins have superior metallurgy. Despite their small size" VPSK subcompacts have excellent weight and balance making them naturally pointable" easy to control" and accurate to shoot. VPSK models are currently available in 9 mm.