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I hope these links are clickable  , i am hardly used to the forum interface...

It is interesting that a lot of data is out there for the 8x57R(360) and the 8x58R Sauer. There is mention that the rifles for these cartridges may use the old .318 diameter or the later .323. This page has interesting postings showing how many different ways the 360 case cartridge was called:
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This link has technical specs and points to loading data:
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All this reminded me that back in the 70s I had a drilling with an 8x57R(360) rifle component. No clue what I shot in it.

If you use .32 Win. Spl. or .30-30 brass it's shorter and wont require any trimming. Plus either are much cheaper and easier to find.

Fields wrote on Feb 7^th, 2025 at 8:39pm:


I’ve never heard that before. I know Remington made them in 7mm Mauser and 8mm Lebel, and I recently read that they made some in 7.92x57 which I had also never heard before. There was also mention of a few possibly being made in .303 British, which was a revelation to me.

But as far as Husqvarna doing so, not that I know of.

Husqvarna? or Denmark refurbished the large military "Remington" rolling blocks to hunting style rifles in 8x58R Danish but I don't recall any other calibers. Rimless calibers would have been challenging. Of course, Scandinavia already had the 6.5x55 Krags.

Here's an example of a military rolling block sporterized to 8x58R Danish; (You need to Login or Register to view media files and links)
Simpson always has a lot of them.

Progress Report 2: 830singleshot made a lathe fixture from a lag bolt and a sandpaper disc which greatly facilitated thinning the rims of my brass. 0.015" was removed from the face of the rims and each piece was verified in the rifle. A fireforming load of Bullseye topped with cornmeal capped with floral foam was loaded. A marked soda straw and a 25 caliber jag on a pistol cleaning rod  transferred the cornmeal and compacted it with little spillage. Fireforming proceeded with nice looking ersatz 8X58R Sauer cases resulting. The amount of cornmeal charcoal in the barrel was impressive, but cleared easily with moose milk patches. Cases were reprimed with a redecapper and 35 gr of 3Fg Swiss which was determined to give proper seating depth, was transferred to each case with a volumetric powder measure. 170gr soft cast bullets of 0.323" diameter from Hunters Supply were hand lubed with Emmert's lube and thumb seated without neck tension for initial testing. As expected, this proved to be a very mild load with satisfying plumes of white smoke. Cases obturated perfectly with no staining of the brass. 50 meter accuracy was good but fouling management was critical. A wet, damp, and dry patch after each shot was required to make hits at 50 m. Clearly, more load development is necessary. Cleaned cases measure 54.6mm. The web is not fully expanded to chamber dimension, but I believe these cases will suffice. 

This rifle has the S, 0.323", bore and a 30" twist. Guidance on charge and bullet (s) gratefully accepted.

Found a set of dies.