My dad recently got his shotgun back after lending it to his brother (my uncle) for a few years. The gun is an older BPS Browning 12GA (a field model 28 to be precise). We recently realized that the barrell was significantly shorter, only to find out that my uncle had it cut (for a reason he does not remember). This is a problem. This means that he cut off the choke threads. When a man at the gun club looked at my gun he said that barrell was modified. It sounded as if he were talking about the bore size because he reffered it to chokes. Shouldn't the barrell size just be an open choke? The reason I am concerned is that I shoot clay most of the time and having a modified bore size makes it a little tougher. Do I need a new barrell? Can I go to a gunsmith and have new threads made on the barrell for chokes? Are there chokes that don't require threads that I can use in this situation? Any suggestions are greatly appreciated. Thank you for reading my post!