Krieghoff Semipro Pump Action Rifle .223 Remington, capacity is 4+1 Receiver has open sights and is drilled and tapped for scope mounting. The Krieghoff Semprio is a magazine fed inline repeating rifle with easy tool-free take-down with interchangeable barrels and the utmost in packability and shootability. To operate, the barrel assembly is pushed forward to eject the empty cartridge case. Pulling the unit back feeds the next round from the magazine and the Semprio is ready for an instant follow up shot.