I have a Ruger American in .308 and love it. With my reloads (nothing special) I get .7" at 100 yards and 1.2" at 200 yds. resting on a log. Bullet is a Hornady 155 gr A-Max over Hodgdon 223 powder. Glass is a Nikon Buckmasters 4.5-14X40 mildot scope.