My bolt catch wasn't holding the bolt back on an empty magazine so I decided to replace the bolt catch, roll pin and spring. I didn't realize they make a special tool to remove the pin so I tried to knock it out with a punch. Well I pushed the roll pin 3/4 of the way out then my punch broke off inside the slot the roll pin sits inside. I have tried using needle nose vise grips but they keep slipping off due to the punch piece being so small. Any help would be appreciated!!