I owned a Mauser rifle in 9.3x62mm for many years and used it successfully hunting in Canada. Read more
The 122gn Soviet round has a muzzle velocity of 2340fps and energy of 1483 ft/lbs
I never found it necessary to crimp case necks as long as neck tension on the bullets was sufficient to resist recoil.
The .32 Winchester Special is a virtual ballistic twin to the .30-30 Winchester.
The Sako 85 is a fine rifle and renowned for its accuracy and performance.
Every rifle is a law unto itself, not only as to the loads they'll digest, but dimensionally too.
Used with a 45gn bullet in the .22 Hornet, it gives about 150fps more velocity than factory rounds.
The CZ 457 Jaguar seems to have an unusually long 28" barrel.
if the rifling was given a left-hand twist for Northern latitudes, it would somewhat correct for C.A drift.