KAC RAIL MOUNT ANTI-CANT DEVICE

Knights Armament Company Rail Mounted Anti-Cant Device, Fits Picatinny, Black Finish 30855

The KAC Rail Mounted Anti-Cant Device is a simple low profile tool that helps precision shooters ensure that their rifle is level before breaking a shot. It incorporates a small bubble level into an aluminum base that sits low enough to permit its use under most optics. Attaches to any M1913 Picatinny rail surface via a screw and clamp arrangement.