tenring said:Easiest - 30 BR Fussiest - 25.06; also, some VLD bullets in any cal.
searcher said:The toughest to get to shoot really well has been various 7mm Rem. Magnums - but this was in trying to get them to accurately shoot unleaded bullets. I've since found the key to getting both of mine to shoot are the Barnes Tipped TSX bullets. Better than Lead out to 500-600 yards.