Vortex Bubble Level 30mm Tube

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.

Weight 6.7 ozOutside Diameter (inches) 2.2 - 2.4 inchesOutside Diameter (mm) 55 - 61 mm