According to the PRS website here all the 10 most popular scopes:
- Vortex Razor HD Gen II 4.5-27x56 (308 shooters)
- Nightforce ATACR 7-35x56 F1 (152 shooters)
- Kahles K525i 5-25x56 (81 shooters)
- Kahles K624i 6-24x56 (58 shooters)
- Nightforce ATACR 5-25x56 F1 (56 shooters)
- Tangent Theta TT525P 5-25x56 (55 shooters)
- Leupold Mark 5 HD 5-25x56 (50 shooters)
- Bushnell Elite Tactical XRSII 4.5-30x50 (49 shooters)
- Schmidt & Bender PMII 5-25x56 (44 shooters)
- Zero Compromise [unlisted magnification] (43 shooters)
I recently surveyed the top ranked shooters in both the Precision Rifle Series (PRS) and the Nationa...
precisionrifleblog.com
This article shows a survey of the top competitors in 2018 with breakdowns of where they finished in addition to a comparison of most popular reticles.