Vortex Optics Riflescope Bubble Level 30-mm,Black

Vortex Optics Riflescope Bubble Level 30-mm,Black Use on 34-mm riflescope 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. Backed by our unlimited, unconditional, lifetime, VIP Warranty. A fully transferable promise to repair or replace your item if it becomes damaged/defective. Does not cover loss, theft, deliberate damage or cosmetic damage that doesn't hinder performance.