I have used both a 30mm reflex and a 45mm tubular, i like the 2nd better because it is a larger view range, and i do not get tunnel vision, I don't use any sort of clear covers, but both of the sights seem more than sturdy enough to take on a direct hit from a paintball

__________________

Tiberius 8 + 4 mags
Qloaded black invert mini with virtue board
A5 - G36 folding stock; APE grip; 14" J&J; full techt cyclone [squished/vortex/lightning rod/QEPH]; wargear clear cyclone housing; X7 hopper