Overview Reviews Product Description A new Winchester 1200 new style firing pin (serial number 400,000 and above). Number 19 on the parts diagram. Product Videos Custom Field Product Reviews Write a Review Write a Review × Winchester 1200 Firing Pin, New Style (S/N 400,000 and above) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *