Quick search came up with Swedish Mauser 6.5
http://www.ammunitiontogo.com/index....swedish-mauser
Hmm don't think you want those lol...sounds like it is 6.5x52 like weedeater said. The link I posted above came up when I googled "Italian Mauser 6.5 ammo". All the results were for Swedish Mauser 6.5