HK MK23 SOCOM .45

The Heckler & Koch MK 23, Mk 23 Mod 0, Mark 23, or MARK 23, is a weapon system consisting of a match grade semi-automatic pistol, a laser aiming module (LAM), and suppressor. It was adopted by the United States Special Operations Command (USSOCOM) for special operations units in the 1990s as an offensive handgun. Production began in 1991, and it was the basis for the HK USP, which began production in 1993.

Weight	1.2 kg (2.43 lb), empty 1.47 kg (3.2 lb), loaded 2.29 kg (5.0 lb), loaded, with suppressor and LAM
Length	245.11 mm (9.65 in), without suppressor 421 mm (16.5 in), with suppressor
Barrel length	149.10 mm (5.87 in)
Width	39.116 mm (1.54 in)
Height	150 mm (5.9 in)
Cartridge	.45 ACP
Action	Short recoil, DA/SA
Rate of fire	Semi-automatic
Muzzle velocity	260 m/s (850 ft/s)
Effective firing range	50 m
Feed system	Detachable box magazine; capacities: 12 rounds (standard) 10 rounds (restricted)