Diopter Set FX Biathlon

This FX Biathlon diopter set is suitable for the FX Biathlon and other models with a dovetail rail.

The FX Biathlon diopter set features:

• Adjustable over a 0.5 to 3 mm range
• Adjustment is 1.5 mm per click at 50 meters
• Anti-glare tube
• Element grip collar: M18
• Element: 3.6 pole