Replace the top ring of your 30mm mount with a Bubble Level. Available in 4 or 6 screw patterns.
Compatible with:
- - UltraMount
- - Unimount
- - Direct Mount
- - Magmount
- - Ultralite rings
- - 30mm steel rings.
Key Features:
- Diameter: 30 mm
- Screw Count: 4
- Color: Black