The vp series integrates a striker firing system with an enhanced, hk "light pull" trigger.Hk's cold hammer-forged barrel made from cannon grade steel ensures long service life, as does the polygonal bore profile which also provides a slight increase in muzzle velocity.An extended picatinny mil-std-1913 rail molded into its polymer frame for mounting lights and accessories.All controls are completely ambidextrous.A unique vp feature is hk's patented rear-mounted charging supports on each side of the slide provide better gripping leverage for racking the slide rearward.The 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.Vp pistols use proven hk p30 steel magazines.Includes three magazines, two additional backstraps and two additional sets of lateral grip plates.Frame Finish: GrayAction: Striker FireCaliber: 9mm LugerBarrel Length: 4.09"Capacity: 17+1Safety: Firing Pin/TriggerGrips: Gray Finger Grooved Interchangeable BackstrapSight Configuration: NightSlide Description: Serrated