+1...Paul I did the same thing on another Norinco I had, Ive had them just pop out after oiling them and shooting them until the barrel gets hot and most the time it will pop up. If not use the method above. I dont think Ive seen one as stuborn as that one turned out being.Glock Holiday said:That's what I wound up doing once. Punching the FSB pin out far enough to remove the detent pin and spring. Spring was seized up. Cleaned it, oiled it and reinstalled it. Good to go after that.