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Heckler & Koch P11

Underwater Pistol

Heckler & Koch P11

Underwater Pistol

OVERVIEW
SPECIFICATIONS
VARIANTS
HISTORY
IMAGES
OVERVIEW



The Heckler and Koch P11 Underwater Pistol was developed specifically with the special forces member in mind.
National Flag Graphic
ORIGIN: Germany
YEAR: 1976
MANUFACTURER(S): Heckler & Koch GmbH - West Germany
OPERATORS: Denmark; France; Germany; West Germany; Israel; Italy; Malaysia; Netherlands; Norway; Pakistan; United Kingdom; United States
National flag of Denmark
DEN
National flag of France
FRA
National flag of Germany
GER
National flag of Israel
ISR
National flag of Italy
ITA
National flag of Malaysia
MLA
National flag of Netherlands
NED
National flag of Norway
NOR
National flag of Pakistan
PAK
National flag of United Kingdom
UK
National flag of United States
USA
SPECIFICATIONS



Common measurements, and their respective conversions, are shown when possible. * Calibers listed may be model/chambering dependent.
ACTION: Electrically-Actuated System
CALIBER(S)*: 7.62x36mm Special
SIGHTS: Iron Sights
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LENGTH (O/A)

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BARREL LGTH

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WEIGHT

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RANGE (EFF)

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VARIANTS



Series Model Variants
• P11 - Base Series Designation


HISTORY



Detailing the development and operational history of the Heckler & Koch P11 Underwater Pistol.  Entry last updated on 2/26/2018. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
Special forces elements have long since required specialized weapons and training to see their particular mission set through. As such there were many types of unique weapon designs that permeated the Cold War decades during which many of today's special forces groups were established. One of the more interesting categories of firearm became the "underwater pistol", a weapon that - as its name suggests - gave the special forces member the capability to fire under water. Such weapons were developed in the United States and the Soviet Union as well as Germany.

In the 1970s, the West German concern of Heckler & Koch began development and testing of an underwater pistol and, in 1976, the weapon was introduced as the "P11" (though it was not formally recognized publically until 1997). It utilized a five-barrel module arrangement with each barrel chambered to fire a 4-inch long steel dart. Power was electrical and served from a battery pack embedded in the pistol grip handle. These components coupled together - along with the trigger group - made for a large handheld weapon but one that was nonetheless deemed effective for its intended role.




Heckler & Koch P11 (Cont'd)

Underwater Pistol

Heckler & Koch P11 (Cont'd)

Underwater Pistol



The P11 use of steel darts was common practice for underwater weapons as standard, land-based cartridges were found to perform poorly when fired in water. The darts were officially of 7.62x36mm Special caliber and held an underwater range up to 50 feet. If pressed, the weapon could also fire above water (though with reduced accuracy) up to a range of 100 feet. Sights were fitted to the weapon to provide for some accuracy at range. Once expended the weapon's entire five-barrel module was simply replaced. The module barrels themselves were only reloadable at the HK factory.

Beyond its use by German special forces (GSG-9), the P11 went on to see adoption by various other nations including Denmark, France, Israel, Italy (COMSUBIN), Malaysia (PASKAL), Netherlands, Norway, the United Kingdom (Special Boat Service), and the United States (Navy SEALs).






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