hello cashman

nice to see the biggest version now

"This caliber, was no new invention, because there have been guns registered in Finland in calibers that are very similar to ours. For example 11,6x55R made by Erkki Maekinen and .458x53R Gunhill made by Jarmo Kauppinen. I´m sure, that other similar calibers exist. Maekinen used an old Arisaka model 30 as base and Kauppinen the “Russian” Winchester model 1895. As Maekinen´s 11,6x55R, also our .45x54R, was to be made using case-blanks from Sako. These Sako case-blanks where marked 12,4x55R and picked out of the production line before they would be necked down to 7,62x53R . Ours would be shortened to 54mm. Kauppinen used both Sako case-blanks and 9,3x53R caliber cases which he necked up to fit a .458 bullet. Reloading of brass, would be done using 45-70Gvmnt reloading dies."

did I understand right that the sako brass is headstamped 12,4x55R? never heard or see this before. was it ever an "official" brass case. iirc Norma had sold once 30 06 basic brass that was cylindrical. a good idea if you have a 10,75x57 but unfortunately not available anymore. would like to have one of this basis brass cases for my small collection.
will this case also accept a .475 diameter bullet?