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.
Brand Name: ohhunt
Model Number: Scope Bubble Level
Guide Type: Scope Bubble Level
Type: Scope Bubble Level
Fit Tube: 25.4/30mm,34mm
Nei Weight: 25.4/30mm:24g,34mm:27g
Country of origin: China