Honestly, how much weight savings are we talking about anyway? 1/2lb. maybe?

And the shorter bolt throw isn't going to save you any time when that stubby bloated little cartridge doesn't feed smoothly from the magazine.

I think I'd just go with the .25-06, myself. It's tried and true, readily available (and will continue to be for a long time), and shoots just as well as the WSSM in a comparable quality rifle.

And if the .25-06 itself isn't hot enough for you, have your chamber reamed out to .25-06 Ackley Improved and handload some real bore scorchers.

Mike