Heym over-under combination rifle-shotgun with 20-gauge shotgun barrel over a rifle barrel in small European hunting calibers. Lighter than full-bore Drillings; intended for a single hunter covering both upland birds and deer in light terrain. The 20/20 nomenclature references the 20-gauge shotgun component. Discontinued in the 1990s as the 26B Drilling covered the market. Type: Combination Gun Action: Break-Action Caliber: 20 gauge / 5.6x50R Magnum Capacity: 2 Year introduced: 1980, Germany Weight: 88 oz Overall length: 40" Status: Discontinued Intended use: hunting, collection