Objective Lens Diameter: 42mm
Eye Relief: 3.5"
Field of View: 54' -12' ft @ 100 yards
Tube Size: 30mm
Weight: 32 oz
The Automatic Ranging Trajectory (ART) System was invented and designed by Jim Leatherwood for military snipers in Vietnam during the late 1960s. By using the incrementally adjustable trajectory cam, the new Leatherwood ART scopes can be calibrated for virtually any center fire cartridge from .223 to .50BMG.
• The center of the HR1 reticle has a 2 MOA by 2 MOA cross.
• The opening in the center of the HR1 can be used to frame known size targets that are 18" or 36".
• Every hashmark on the vertical and horizontal scales indicate a whole MOA subtension.
• There are 2 MOA tick-marks that indicates multiples of 5 MOA on both the horizontal and vertical scales.
• The ends of the horizontal and vertical axes are indicated by a 4 MOA tick-mark.
• The ranging scale in the lower right quadrant can be used to frame and range known sized targets from 9"-72" in length or height.
• This reticle is true at 10X.