|關於an overview of combat shotgun models in various games，參見combat shotgun。|
|“||The Heckler & Koch CAWS (H&K CAWS) is a prototype automatic shotgun—designed as a combat 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.||”|
—Fallout 2 description
HK CAWS是戰鬥霰彈槍的加強版，它有著更長的有效射程，長點射的時候打出去的彈藥數目更多，當然也更為昂貴。不過，它的彈匣容量要比戰鬥霰彈槍小一點。HK CAWS的單發傷害高於FN FAL自動步槍，但是掃射的時候效率比FN FAL要低。
- There are many locations this weapon can be found, but the earliest opportunity where one can acquire it is during a random encounter with a slaver outside Vault City.
- A raider in Vault 15 also has this weapon.
- It is used by some of the attackers during the quest Complete brahmin drive.
- Toad Morton carries one of these weapons.
Outside of the Fallout universe, the H&K CAWS was a recoil-operated, bullpup-configuration shotgun prototype designed to fire high-impulse shotshells using tungsten buckshot or flechettes with an effective range of 100–150 meters and a 10-round box magazine. It had a fire selector switch similar to the G11, with a full-automatic firing rate of approx. 240 rounds per minute. It never reached production due to the cancellation of the CAWS project by the US.