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

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.

Features:

• M1913 Picatinny rail attachment
• Low profile
• Aluminum construction