Had an old hunting friend that was deadly with a bar in 243.deer bear turkey didn't matter.i build a 6mm instead for a medium varmit.gew 98 receiver and a Shaw barrel.only for the exta 100 or 150fps.I do know 243 ammo is everywhere 6mm not so much.has she shot a 308 or an 06? My daughter shoots a Merkel all day in 06.