just put a bubble level on my scope to make sure im not canting for the long shots.(350 to 500yds with my 22-250) thats as long as i can shoot acuratly. how i got level: used small level on the action and locked it in place in a rest. next hung a plumb line in a door way and lined up the vertical crosshair of the scope with it... once that scope and gun were level simply put scope level on scope tightened everything up.. rechecked and everything was level.. my problem... when i look thru the scope the cross hairs dont seem level.. when the bubble level says its level it looks like the scope is canting pretty bad. is it possible that it just looks that way to me?? how can i make sure evetyhitng is really level?