Our best competition riflescope ever, the XTR Pro raises the bar for PRS and NRL style competition shooting. Outpace the competition with exclusive features including the Burris Quick Detach Race Dial and new Tool-less Zero Click Stop Elevation Knob. Features a Horus TREMOR5 reticle with 11 red/11 green illuminations; 1/10 Mil click value; Objective lens diameter of 63.5mm ; Ocular lens diameter of 44.25mm; Burrid Race dial and throw lever. Designed and manufactured in Greeley, Colorado.