Our Franchi Centennial Firing Pins are precision machined using our CNC Swiss turning centers. The firing pins are made from domestic 17-4 Stainless Steel then heat treated to an H900 condition. We machine the Franchi 22LR firing pins from SS to help eliminate internal corrosion issues and improve reliability. The heat treated condition helps maximize the life of the firing pin by increases in Strength and Toughness. Pin Length 2.365 inches, Tip Diameter 0.095 inches and machined for a rim fire Made in the USA!!