On May 1, 1996, the first HK MK 23 pistols were delivered to the U.S. Special Operations Command for operational deployment, making the MK 23 the first caliber .45 ACP pistol to enter American military service since the venerable Government Model 1911A1.

During testing, MK 23 pistols met the most stringent operational and accuracy requirements ever demanded of a combat handgun. Endurance testing demonstrated a service life of over 30,000 rounds of +P ammunition. To meet the reliability requirement, the pistol had to demonstrate a minimum of 2,000 mean rounds between stoppages (MRBS) with both M1911 ball and +P ammunition. All pistols exceeded the 2000 MRBS with an average of 6000 MRBS. In more than 450 accuracy test firings from a precision firing fixture at 25 meters, MK 23 pistols far exceeded the government requirement, averaging 1.44 inches, with 65 groups of less than one inch. There were four groups of .5 inches, with 5 rounds going through the same hole!

Specifications

Accessories: 2 Mags
Action: Semi-automatic
Barrel Length: 5.87
Caliber: 45 ACP
Capacity: 12Rd
Finish/Color: Black
Fired Casing: Fired Case
Frame/Material: Polymer
Manufacturer Number: M723001-A5
Manufacturer: HK
Model: Mark 23
Safety: Decocker
Sights: 3 Dot
Size: Full
Type of Barrel: Threaded
Type: SA-DA

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