The Heckler & Koch P2000 V3 is a variant of the P2000 series featuring a double-action/single-action (DA/SA) trigger system with a decocker lever on the rear of the slide. Chambered in 9mm with a 13-round magazine capacity (10-round magazines available), or .40 S&W with 12-round capacity, it features a 3.66-inch cold hammer-forged barrel with polygonal rifling. The overall dimensions are 6.85 inches in length, 5.07 inches in height, and 1.37 inches in width, with an unloaded weight of 24.96 ounces. The first trigger pull is double-action (approximately 11.5 pounds), while subsequent shots are single-action (approximately 4.5 pounds). The P2000 V3 includes ambidextrous controls with dual slide releases and a European-style magazine release lever that can be converted to a push-button style. The pistol features HK's modular grip system with interchangeable backstraps for customized fit, a MIL-STD-1913 Picatinny rail for accessories, and low-profile three-dot sights. Additional features include multiple internal safeties, a proprietary recoil reduction system, and HK's hostile environment finish for enhanced durability. The combination of compact size, reliable DA/SA trigger system, and proven HK engineering makes it popular among law enforcement and civilian users seeking a dependable service pistol.