Vortex® Riflescope Bubble Level - 1in, 30mm, 34mm, 35mm
The Vortex Optics® Riflescope Bubble Level - 1in, 30mm, 34mm, 35mm is great for the most precise long-range shooting. Use the bubble level to ensure that the rifle is perfectly vertical. This will eliminate potential error caused by shooting a canted rifle. Mounts quickly and easily to the riflescope tube.