VORTEX BUBBLE LEVEL UNIT

Vortex Bubble Level Unit BL1 – Anti-Cant Device for 25.4 mm Scope Tubes

Designed for 25.4 mm  riflescope tubes, the Vortex BL1 bubble level eliminates cant-induced impact errors by confirming perfect vertical alignment, ensuring your ballistic calculations remain accurate at extended ranges.

Core Specifications

By mounting the BL1 on the side opposite your dominant eye, you gain instant peripheral confirmation of true vertical alignment without shifting your view. Its low-profile, single-screw clamp grips securely without marking the tube, and the nitrogen-sealed, O-ring design guarantees fog-proof, waterproof performance in the field.