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.

• This is highly viscous fluid on your anti-cant indicator, no matter what happens – it remains as ONE stable bubble
• It is easy to install and to mount anywhere on scope tube left or right side, the ring is so light to carry and cannot block you view of hunting
• Fits all bolt-action rifles, including your Remington 700 and lever action rifles