264 win mag
#1
Fork Horn
Thread Starter
Join Date: Jan 2009
Location: dougherty.okla
Posts: 127
264 win mag
gun isa ruger m77- ss factory bbl- 140 gr. hornady sst - IMR 7828 powder- low end of load scale- will heat affect zero ? it will hold at 100 yds and 200 yds but is moving around out past 200- temp has been over 100 dergees for yhe last couple of weeks