The F.A.I.R. Carrera over-and-under shotguns are the result of extensive research and designed for the most discerning competition shooter. The Magnum 12-gauge over-and-under features barrels made of UM / 8 - HD40 steel with the proprietary X-Cones system. The barrels are chrome-lined to guarantee maximum resistance to wear while the external surfaces feature a deep bluing and a soft recoil-damping cone connects the barrel to the chamber. It also features the interchangeable Technichoke system automatic ejectors a finely checkered rib that reduces glare and The tri-alloyed steel action has a polished blued finish with gold engraving.