Originally Posted By: RePeteI like 700's but they can be problematic if you want a repeater (which I assume you do).
Best to get a CZ in 221 or 222 and simply rebarrel.
Sako L461 makes a nice doner too if you can find one.
I haven't checked it out myself, but maybe a 700 in 300blk would work for a donor as it is a knecked up fireball.