I have a 325WSM M70 and it is one rifle I absolutely will not part with. Mine really likes the 220gr Sierra which according to Sierra has a BC of .511. Mine flies around 2670fps although I see the IMR4007SSC will supposedly drive it about 100fps faster. Trajectory is similar to a .308 with 168's-175's
I've shot lots of deer with it and there is very little meat damage. The few elk/moose it has been used on didn't get very far either.
My rifle is pretty light, coming in around 8lbs with scope. Yet recoil is very managable and muzzle blast is less than the .300 and .338 Win Mags I've shot.