The Talley 30mm Anti-Cant Indicator replaces the top half of Talley Lightweight Rings, just remove the rear mount ring cap and replace with this anti-cant indicator.

Provides peace of mind that your rifle is aligned properly for your next long shot.

Comes complete with screws.

Tube diameters for the Anti-Cant Indicator available in 1 inch, 30mm, and 34mm.