My kids and I were out shooting the other day and while we were out my favorite .22 decided to die. I've had this gun for 25 years and it was given to me by my aunt after my uncle passed away. Here is the problem. I want to fix it but I have never seen another one like it and have no idea where to get parts. It is a Beretta 0075 Super Sport carbine. Semi automatic made sometime in the 50s I'm guessing. I tried Numrich but can't find any listing. Help