Total adjustment says 20 mil but at their current zero they have 11.5 mils of up available. We took off the zero stop and they still had 15.1 mils before turret bottomed out.
It's a buddy's rifle, factory ammo with a factory Tikka CTR 20" so it is very slow, 147gr ELDM at like ~2550 fps from his Chrono and previous data.