Mike, I beleive this ammo is swiss and it say's this on top
Abmessungen des Laufes.................Dimensioni di canna
Feldkalibrr..........Calibro del pleno fra le righe..10.25+0,05mm
Zugkaliber...........Calibro delle righe.............10,49+0,05mm
Zugbreite............Larghezza delle righe............3,9 +0,2mm
Anzahl...............Numero delle righe...............6
Drall rechts.........Passo rigatura a destra..........450
hope you can translate
Hey, how did that little D.R.G.M. 9.3 single shot that you beat me out of at auction work out, it looked to be a nice little piece.
m-4
