Vortex Rifle Scope Level 30mm

Vortex Rifle Scope Level 30mm #BL30 Quickly mounts to rifle scope tube. For the most precise long‐range shooting, use the bubble level to ensure the rifle is perfectly vertical. This will eliminate potential error caused by shooting a canted rifle. Mounts quickly and easily to the rifle scope tube. For best results, mount on the opposite side of your dominant eye.,