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H&K CAWS (1)
Heckler & Koch HK CAWS
Country of origin

West Germany

Manufacturer(s)

Heckler & Koch, Winchester

Year(s) designed

1990s

Weapon type

Automatic shotgun

Caliber

Proprietary 12 gauge belted (18.5×76mmR)

Overall length

30 inches (76.2 centimeters)

Barrel length

18 inches (45.7 centimeters)

Weight empty

9.5 pounds (4.3 kilograms)

Weight

8.2 pounds (3.7 kilograms)

Magazine/Cylinder capacity

10-round detachable box magazine

Cyclic rate

300 RPM

Effective range

150 meters (164.01 yards/492.1 feet)

Muzzle velocity

488 – 538 m/s (1601.05 – 1765.1 feet/second)

The Heckler & Koch HK CAWS (H&K CAWS) is a prototype automatic shotgun co-produced by Heckler & Koch and Winchester/Olin during the 1980s. It was Heckler & Koch's entry in to the U.S military's Close Assault Weapon System program.

HistoryEdit

The CAWS program started in the early 1980s in the United States. The main goal of this program was to develop a new generation personal firearm, capable of firing high-impulse, multiple projectiles with effective range of 100–150 meters.

One of the teams entered in the CAWS race was Heckler & Koch Germany, coupled with Winchester Corp. USA. Heckler & Koch was responsible for developing a firearm, while Winchester was responsible for the development of new types of ammunition suitable to fire in it. Although tested by the U.S. military, the CAWS was canceled, and production, both military and civilian, has halted.

Design detailsEdit

The Heckler & Koch CAWS is a select-fire, recoil-operated bullpup shotgun, with three modes of fire: SAFE, SEMI, and AUTO (S-1-F). It is chambered for the 12 gauge cartridge and features a 10-round magazine. However, rather than using standard 12 gauge ammunition, the CAWS was designed around a belted case shell that fired tungsten pellets. The CAWS ammunition is incompatible with standard 12 gauge weapons as a result of much higher gas pressures and different case geometry.

The CAWS features several different barrel lengths, varying between 457 mm (approximately 18 inches) and 685 mm (approximately 33 inches).

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