Vortex Bubble Level for Riflescopes with 35mm Main Tubes

Maximize your long-range shooting accuracy and precision by preventing a canted rifle with the Vortex Bubble Level for Riflescopes with 35mm Main Tubes. This simple addition to your scope will help you to ensure that the rifle is well aligned vertically, which will eliminate potential error caused by shooting a canted rifle. The mount is made from lightweight and durable aluminum with a black anodized finish and can be mounted quickly and easily on your scope.