"Combination rifles like this are rare nowadays. A three-barrel gun in this condition'll get you about $3,500."
- Fact 1: Drilling guns, from the German "Dreiling" for "triplet", have three barrels, usually two side-by-side shotgun barrels with an underslung rifle barrel.
- Fact 2: Combinations guns were an early development in hunting rifles, allowing a single gun to be used for hunting both small and large game. They were somewhat common in Europe and Africa before the 20th century.
- Fact 3: Early combination guns used a single firing mechanism with a revolving barrel mechanism, allowing the user to choose between smooth or rifled barrels.
- Fact 4: Cape guns, with distinctive side-by-side rifle and shotgun barrels, were popular among hunters in southern Africa, where a wide variety of game could be found.
- Fact 5: Drillings come in a variety of barrel layouts based on the barrel types and gauges used; the oddly-shaped shotgun/rimfire/centerfire combination is rare and highly valued by collectors.