I dropped the trigger group out and tried to see what was wrong. It moved around a bit then and I got a better look at it. I'm not sure why it's so hard to move. I think he managed to bend the magazine tube and bind up the whole thing. I also saw a few concerning cracks. I think I'm just gonna tell him that it's a loss, it's a beater anyway. Thanks for the thoughts.
I can't spel.