HK(R) VP9A1 w/Optic is a full-size semi-automatic pistol chambered in 9mm Luger with a 10+1 round capacity. It features a 4.53 in black steel polygonal-rifled barrel and an optic-ready serrated slide. The black polymer frame incorporates a Picatinny accessory rail and an interchangeable backstrap system for adaptable ergonomics.Key Features Chambered in 9mm Luger 4.53 in black steel polygonal-rifled barrel 10+1 round capacity Full-size VP9A1 configuration Optic-ready serrated slide Black polymer frame Picatinny accessory rail Interchangeable backstrap grip systemHK(R) firearms are recognized worldwide for durability engineering precision and service reliability. Designed to meet military and law enforcement standards HK pistols deliver consistent performance trusted by professionals and civilian shooters alike.