Not much we can tell you with no information. Some rifles are marked on the receiver (frame) some military training rifles have marking under the stock (remove stock to see)
List all the markings that ARE on the rifle. sales@countrygunsmith.net
If there are no markings on it you will never know.
You will need to provide a DETAILED description of ALL markings.
You will have to provide a detailed description of the action, ALL markings, barrel length, rifle caliber and finish.
Need a detailed description of all markings, finish, condition, etc..
No way to answer without a detailed description of all features, markings, condition.
You will have to provide a detailed description of the action type and ALL markings.
Provide a detailed description of ALL markings.
Can't be answered without a detailed descripiton of all features and markings.
Impossible to tell with the information you provided. Have it examined by a gunmsith
If their are no markings at all, you will have to go to old gun books and catalogs to see if you can find one that looks like it.
Impossible to answer without knowing what it is (rifle, shotgun), what type of action, what caliber/gauge and all markings present.