For the precise competition shot the smaller of the two PRS-top models is predestined. The high and latching defined target towers have locking star for protection against inadvertent adjustment and a practical zero function.
The facts: Tube diameter 30 mm, side parallax adjustment from 25 m. MilDot reticle etched on glass with illuminated, adjustable in steps middle range (alternatively red / green). Fine inch Adjustment per click at 100 yards (3.47 mm to 100 m). Medium mounting rings for Picatinny rails enclosed.