Over-under double rifle — Merkel's modern O/U express platform. The B3 uses a boxlock action with Kersten fastener and is regulated from the factory for the selected caliber and load. O/U configuration gives a narrower sighting plane and better balance than SxS for some shooters. Type: Rifle Action: Break-Action Caliber: 9.3x74R Capacity: 2 Year introduced: 2010, Germany Weight: 74 oz Overall length: 45" Status: Active Intended use: hunting, safari