Like this??

https://www.gunauction.com/buy/12642826

Please look at the proofmarks

http://www.shotguns.se/html/italy.html

A picture would assist us in helping you

Mike

P.S. you do know that you can shoot regular 2 3/4 inch or shorter ammo in a 3" gun?

The CAM 70 marking shows 2 3/4 inch chambers
My 12 gauge with 30" barrels looks like this

Last edited by skeettx; 01/12/18 01:46 PM.

USAF RET 1971-95 [Linked Image from jpgbox.com]