Vortex Bubble Level 30mm Riflescope Tube
For the most precise long-range shooting, use the Vortex Bubble Level 30mm Riflescope Tube to ensure that the rifle is perfectly vertical. This will eliminate potential error caused by shooting a canted rifle. This is a must have for long range precision shooting or hunting. The Vortex Bubble Level mounts quickly and easily to any 30mm rifle scope tube.
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