Most Guardsmen that use the shotgun prefer the double - barrelled version , and its reliability makes it the mainstay of the Elysian Drop Troopers , who regularly prefer it over the lasgun when entering hostile DZs .
Most guardsmen that use the shotgun prefer the double - barrelled version of the combat shotgun . 
 So reliable is the mechanical mechanism that Elysian Drop Troops regularly prefer it over the lasgun when entering hostile DZs .