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This would function fine in older Swedish Mausers and in modern commercial guns, but this isn't optimized for those guns. Different twist rates. So, might be a waste to shoot a whole box of these through an older or commercial gun unless the gun "likes" the ammo.This is Swedish ammo commonly known as 6.5x55mm. It is perfectly suited for the M38/94/96 Mausers, the Ljungman AG-42b and many other commercial rifles chambered in the 6.5x55mm (Ruger m77, etc.).
It is berdan-primed, so don't attempt to reload it in the conventional manner (ie. as you would boxer-primed brass). Berdan primers aren't generally available for these cases.