HK Mark 23

Heckler & Koch


Superior equipment for the best units. The H&K Mark 23 defeated all competitors after being subjected to the toughest comparative trials of the US Army Special Operations Command. It was adopted under the designation MK23 MOD.O, US SOCOM.

The tests which had to be successfully passed included the following:

  • 30 000 round endurance firing test with + P - ammunition
  • Test at extreme temperatures + 73°C /-50°C
  • 96 hour salt spray test
  • Sand, dust , mud test
  • 96 hour surf simulation
  • Harshest drop tests
  • Maximum accuracy and precision


  • Buffer system to minimize recoil forces
  • Ambidextrous safety lever
  • Ambidextrous magazine release
  • Separate decocking lever on the left side
  • Extremely corrosion resistant surface coating of all metal components
  • Hard chrome plated polygon barrel

Mark 23 – CAL. .45 AUTO

.45 AUTO

Operating principle:
Recoil-operated with modified Browning locking system

Magazine capacity:
10 rounds


Length approx. 245.00 mm
Width approx. 40.0 mm
Height approx. 150.0 mm
Barrel length approx. 149 mm
Sight radius approx. 197.0 mm

Pistol approx. 1,100 g

Trigger pull:
ca. 20 (SA)/50 (DA) N

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