Hatsan has one of their top sellers here

Bred mund forhindrer let væsken i at fryse og giver nem adgang til vand fra enhver kilde

so it prevents fogging

Lamp 11W - 547 hours

Dye I5 features:

Guntex Cal. 12 Rensesæt Adventskranse Hatsan has one of theirThe Guntex Cal. 12 Cleaning Set is designed for the maintenance of 12 caliber shotguns. The set contains 3 brush heads coarse medium fine. The stick is made of aluminum with a rotatable plastic handle and is divided into 3 modules to compress the package size. The whole thing comes in a smart little plastic box for storage. The stick can also be assembled in 3 lengths: 340mm, 600mm and 860mm and can be used in barrels up to 760mm. Gun oil is purchased