well a lot of what has been said is true.myself when hunting elk and especially in grizz country i start at a 30 mag.have a 300 win and dakota.years ago when i hunted grizz in british columbia where there were and still are some large grizzlies,i stepped up to the 338.99% chance wont be needed.but grizz are no joke.i like myself and my family.good hunting to all.