H&K VP9-B 9MM PST 17R BK FS Model Series: VP9 Caliber: 9MM Action: Double Action Capacity: 17+1 Finish: Blue Hostile Enviroment Stock: 3 Interchangable Backstraps/ 6 Lateral Plates Sights: FT: Luminous RR: Black Serrated Barrel Length: 4.09 Hammer Forged with Polygonal Rifling Overall Length: 7.34