Designed to meet the challenges of precision accuracy at extremely long distances, the Mark 4 Extended Range/Tactical (ER/T®) series is built for sharpshooters.

Every feature was put in place for one purpose: to help you get the maximum performance from your long-range firearms, at the range, hunting, or in a tactical environment.

Weight (oz) 22.50
Linear FOV (ft/100 yd) - Low 11.20
Linear FOV (ft/100 yd) - High 4.40
Linear FOV (m/100 m) - Low 3.70
Linear FOV (m/100 m) - High 1.40
Eye Relief (in) - Low 5.30
Eye Relief (in) - High 3.70
Eye Relief (mm) - Low 135.00
Eye Relief (mm) - High 94.00
Objective Clear Aperture (in) 2.00
Weight (g) 638.00
Elevation Adjustment Range (MOA) 70.00
Elevation Adjustment Range (MIL) 0.00
Windage Adjustment Range (MOA) 70.00
Windage Adjustment Range (MIL) 0.00
Width (mm) 0.00
Height (mm) 0.00
Width (in) 0.00
Height (in) 0.00
Exit Pupil (mm) - High 0.00
Exit Pupil (mm) - Low 0.00