Re: If you only had one
Fads. This hyper velocity alphabet game is getting out of touch with reality. Better than half of the average guys can't shoot one of them 30 caliber boomers accurately, the other half will jar their fillings loose.
Get a plain vanilla 300Win.Mag and choose a heavy bullet for the bear. On the other hand, why limit yourself to thirty caliber? A 338Win.Mag? Might be a bit heavy for goats and sheep?
The whole question is a bit lame unless you disregard the specification for grizzly. If you have to take that into consideration, now it isn't an All Around North American Big Game rifle; it's a dangerous game rifle. A hyper velocity thirty caliber is not perfectly suitable for grizzly bear, in the real world.
Good hunting. LB