In the past,
Heckler & Koch has denied knowledge of its existence,
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HK P11
HK P11 with a test device attached Type
Underwater Pistol Place of origin
West Germany Production history Designed 1970s Produced 1976 Specifications Weight 1.2 kg (2.7 lb) loaded
Battery pack 700 g Length 200 mm (7.874 in) Width 60 mm (2.362 in)
Cartridge about 100 mm (4 in) long, miniature solid-fuelled
rocket with fins
Caliber 7.62 mm x 36
Action Electric actuated Effective range 30 m in air, 10 to 15 m underwater Feed system 5 rounds, each in a barrel Sights 14.6 cm between sights The
HK P11 is a
Heckler & Koch pistol designed as an
underwater firearm. Since ordinary-shaped bullets are inaccurate and have a very short range when used underwater, this pistol fires steel darts about 10 cm long. It has five barrels, each of which is loaded with a cartridge, giving the gun a
pepper-box appearance, and it is electrically ignited from a battery pack in the pistol grip
http://en.wikipedia.org/wiki/Heckler_%26_Koch_P11