Vortex 30mm Scope Bubble Level Ring

The Vortex 30mm Scope Bubble Level is a handy accessory for your scope. It allows you to ensure a perfectly horizontal scope. It features a green liquid level tube that is adjustable so you can set it to a position as you like.

Features:
• Green liquid of the scope bubble level, notice the level bubble to ensure the scope in horizontal
• Adjustable liquid tube of the scope bubble level, set a position as you like
• Will eliminate potential error caused by shooting a canted rifle
• Mounts quickly and easily to the riflescope tube
• Machined aluminum construction
• Compatible with 30mm tubes