RE: TOO MUCH?
Bear you bought, so thus you have answered your own question. The RUM maybe overkill to some, but that doesn' t really matter. I use a 7mm RM for hunting deer and have been asked why? Simply b/c I like the extra range, power and feel very confident with the 7 in my hands. It boils down to the guy pulling the trigger, you may not need it but if your happy it will work great.
Preference, confidence and ability = happiness (IMHO)