BUBBLE LEVEL 30 MM 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 oz
Outside Diameter (inches) 2.2 – 2.4 inches
Outside Diameter (mm) 55 – 61 mm