No published sn data. No way to ID model without more of a description.
A tool that cuts a crown at the muzzle end of the barrel
Try e-gunparts.com
The "crown" of any firearm is the front end of the barrel- the muzzle. It refers to a rounded shape of the end of the barrel.
Measured from the breech to the crown of the barrel, it must measure at least 18 inches.
You may have some success at the shotgun world website, (shotgunworld.com) there is a vast network of collectors and shotgun experts there that may be able to help
Typically the crown of a gun is on the muzzle end of a rifle. It is the recessed area at the very end of the barrel. Poor crown cutting can be the cause of many accuracy problems.
A rifle's crown pretty much refers to end of the barrel. More specifically, its the edge between the end of the bore and the face of the barrel. If this gets nicked or dinged up, it can have a very detrimental effect on the accuracy of the rifle.
No SN data published. Year of manufacture should be engraved on the crown.
50-125
proof mark
The end portion that is above the end of the bore if not squared off.
Sounds like you have one of the Swedish "Mausers". Year of manufacture should be engraved in the crown.