RON L here = SERESURPLUS
Just a Guess, as I don't know your rifle, It might have been made back long enough that it had No Serial # required? I've seen a few of ther 22's especially single shots that fit that bill? Usually when sold, some dealer would listthe patent # as the serial? LOL Ya might want check into that! The ATF might be bale to help, But, I'll be damed If I recommend you call that pack of Jackals?