Vortex Optics Bubble Level 34mm 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.
• Outside Diameter (inches) 2.2 - 2.4 inchesOutside Diameter (mm) 55 - 61 mm
• Weight 6.7 oz