Originally Posted by JayCody
Yes, If the retaining pin is lined up perfectly the firing pin works fine. Now, My theory is that the force of the bolt being blown back and slamming forward caused the retaining pin to rotate as seen in the picture.
I'm not sure about that theory. My dad's had an SKS for 25 years, and I don't think he's ever had problems with it.
My theory is that either the pin or the bolt is worn excessively, and won't retain it properly anymore. Have you tried removing it to get a proper diagnosis?