HK MK.23 - Weapon Library

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HK MK.23
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	Available Images
	Technical Data

	Manufacturer	Heckler & Koch
	Country Of Origin	Germany
	Date Of Introduction	1996
	Caliber	.45 ACP
	Feed System	Magazine
	Rate Of Fire	NA
	Weights	1.21 kg
	Length	245 mm, without suppressor

More Information ^*

The MK23 Mod 0 was built as an "offensive" handgun for U.S. special operations forces under USSOCOM. The request for the weapon was made around August 1991. Military versions of the weapon have the writing "MK23 USSOCOM" engraved on the slide.

The MK23 is considered a match grade pistol. It is based on the HK USP, but upgraded for durability in harsh environments, being waterproof and corrosion-resistant. The MK23 uses a hexagonal barrel design, which is reported to improve accuracy and durability. It features an ambidextrous safety and magazine release on both sides of the frame. The magazine release is at the rear edge of the trigger guard, which is wide enough to allow the use of gloves. A decocking lever is on the left side, which will silently lower the cocked hammer. The U.S. Navy MK23 is part of a larger weapon system that includes an attachable laser aiming module, a suppressor, and some other features such as a special high-pressure match cartridge (.45 +P ammunition).

The weapon was tested and found to be capable of firing tens of thousands of rounds without a barrel change. It remains reliable in harsh conditions, making it suitable for use by special forces. The .45 ACP round has considerable stopping power, and retains that stopping power when suppressed. However, the weapon's large size and weight have resulted in some criticism. In response, HK developed the USP Tactical pistol.

The proposed Joint Combat Pistol (JCP) will be designed to accept match grade and +P ammunition. However, it is not clear if the JCP, which absorbed the ealier SOF Combat Program, will be used alongside or replace the MK23 handguns.

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