Heckler & Koch P11

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HK P11
HK P11 mit pruefgeraet.jpg
OS P11
TypeUnderwater Pistol
Place of originGermany
Service history
In service1977-Present
Used bysee Users
Production history
Designed1970s
ManufacturerHeckler & Koch
Produced1976
Specifications
Mass1,200 grams (42 oz) loaded
Battery pack 700 grams (25 oz)
Length200 millimetres (7.9 in)
Width60 millimetres (2.4 in)
Cartridge7.62×36mm, about 100 millimetres (3.9 in) long, miniature solid-fuelled rocket with fins
Caliber7.62 mm
ActionElectric actuated
Effective firing range30 metres (98 ft) in air,
10 to 15 metres (33 to 49 ft) underwater
Feed system5 rounds, each in a barrel
Sights14.6 centimetres (5.7 in) between sights

The HK P11 is a Heckler & Koch pistol designed as an underwater firearm that was developed in 1976. It has five barrels and each fires a 7.62 X 36mm dart electrically. Loading is by means of a five-round case. The design resembles that of a pepper-box firearm.

Design[]

Since ordinary-shaped rounds are inaccurate and have a very short range when used underwater, this pistol fires steel darts.[1] 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.[2]

After firing all five cartridges, the barrel unit must be sent back to its manufacturer for reloading.[3] It is very similar to its predecessor, the Mk 1 Underwater Defense Gun. In the past, Heckler & Koch has denied knowledge of its existence.[4]

This firearm is somewhat bulkier than its Soviet counterpart, the SPP-1 underwater pistol, but it has five barrels, as opposed to the Soviet firearm which has four. However, the SPP-1 does not need to be sent back to the manufacturer to be reloaded.

Users[]

  •  Denmark[5]
  •  France[5]
  •  Germany: German commando frogmen.[6]
  •  Israel[5]
  •  Italy: Italian Navy COMSUBIN.[5]
  •  Malaysia: Pasukan Khas Laut (PASKAL) of the Royal Malaysian Navy[7]
  •  Netherlands[5]
  •  Norway[5]
  •  United Kingdom: Special Boat Service of the British Royal Navy.[8]

See also[]

  • SPP-1 underwater pistol – Soviet four-barreled underwater dart pistol
  • Underwater firearm – Firearms that can be effectively fired underwater
  • Electronic firing

Notes[]

  1. ^ Cawthorne, Nigel (1 March 2012). The Mammoth Book of Inside the Elite Forces. Little, Brown Book Group. p. 220. ISBN 978-1-78033-731-9.
  2. ^ Neville, Leigh (31 March 2016). Guns of Special Forces 2001 – 2015. Pen and Sword. pp. 40–41. ISBN 978-1-4738-8102-0.
  3. ^ Walter, John (2005). Guns Of The Elite Forces. Frontline Books. p. 115. ISBN 978-1-85367-637-6.
  4. ^ Dockery, Kevin (2004). Weapons of the Navy SEALs. New York: Berkley. p. 68. ISBN 0-425-19834-0.
  5. ^ a b c d e f Southby-Tailyour, Ewen (2005). Jane's Special Forces Recognition Guide. New York: Collins. p. 366. ISBN 0-00-718329-1.
  6. ^ "Straight Dope Staff Report: How far can bullets go when fired into water?". The Straight Dope. Archived from the original on 27 March 2008. Retrieved 28 March 2008.
  7. ^ Dan, Alex (9 February 2016). "PASKAL Malaysian Special Forces Weapons". Military Factory (Small Arms). Archived from the original on 14 February 2016. Retrieved 10 February 2016.
  8. ^ "SBS Weapons - HK P11 Underwater Pistol". Elite UK Forces. Retrieved 28 March 2008.

References[]

  • Dockery, Kevin (2004). Weapons of the Navy SEALs. New York: Berkley. ISBN 0-425-19834-0.
  • Southby-Tailyour, Ewen (2005). Jane's Special Forces Recognition Guide. New York: Collins. ISBN 0-00-718329-1.

External links[]

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