HK UCP
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The Heckler & Koch Ultimate Combat Pistol (H&K UCP), also known as the HK P46, is a double action, semi-automatic handgun currently being developed under commission for the German Bundeswehr.
The UCP is the companion sidearm to the H&K MP7 submachine gun, using the same 4.6 x 30 mm bottlenecked cartridge (see internal ballistics). The 4.6 x 30 mm round is a direct competitor to FN's 5.7 x 28 mm round, and, as such, the UCP is a direct competitor to the FN Five-seveN pistol. Both have armor-piercing capabilities and a low recoil in comparison to other commonly used military handgun cartridges, such as the 9x19 Parabellum or .45 ACP.
The UCP operates on the delayed-blowback operating principle. The external design of the UCP appears to be borrowed from the HK P2000 pistol, and includes ambidextious controls, interchangeable backstraps, and a MIL-STD-1913 Picatinny-type rail system for the attachment of accessories. Like the USP and P2000 series of pistols, the trigger mechanism is reported to be modular and capable of different configurations. The UCP is designed to accept an extended, threaded barrel capable of accepting the attachment of a sound suppressor made by Brügger and Thomet. Initial speculation that the UCP will accept MP7 magazines appears to be false.
The design remains in the prototype phase as of 2004, and has been reported as entering limited trials with the Bundeswehr.
[edit] Specifications
Caliber: 4.6 x 30mm
Length: 200 mm
Barrel: 130 mm
Height: 135 mm
Width: 30 mm
Weight: 0.85 kg (empty)
Magazine capacity: 20 rounds
