10 Guns of the Special Forces #7

     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.

HK MK23 SOCOM .45

HK MK23 SOCOM .45

HK MK23 SOCOM .45

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)