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 a serrated optic-equipped slide. The black polymer frame incorporates a Picatinny accessory rail and interchangeable backstrap system while this configuration includes a Holosun SCS optic.Key Features Chambered in 9mm Luger 4.53 in black steel polygonal-rifled barrel 10+1 round capacity Full-size VP9A1 configuration Serrated optic-equipped slide Holosun SCS optic Black polymer frame with 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.