I recently picked up an old 22 single action for next to nothing from a guy I know. Its marked HY HUNTER INC. FIREARMS MTG. CO BURBANK CALIFORNIA. The frame has a crack just below the rear sight and just above the cylinder, If that makes sense. Is it safe to shoot? Would jb weld fix it? Previous owner tried to tack weld it back together but its made from pot metal and that didn't work at all. What can I do to fix it up? Just to have a beater, no matter how junky they are I hate to throw a gun away!