here are a couple more that you could look into.
the 10,75x68mm mauser, 10,75x57 mauser & the 10,75x62mm wildcat.
mauser factory loaded the 10,75x57 based off the 8x57 up untill the early 30's
they all use a .423 dia bullet.
the 10,75x62 is made from -06 basic brass with no body taper & giving right at .015 to headspace on.
the 10,75x68mm mauser uses .498 dia. brass and ends up with about .020 to headspace on.
i have a mas 36 sporting rifle in 10,75x68mm & it is a fun rifle to shoot. its a low pressure round so recoil is very mild.
once the brass has been fired it has a very distinct shoulder.
most of the bullets for the 10,75 are 347 grain, but you can use 404 jeffery bullets since they are only .001 smaller giving you more bullet choices
pac-nor, montana & lothar walther all have the correct dia. barrels for the 10,75