Robinson Armament XCR-L Titanium Firing Pin, New Style pin with Larger Head. Our XCR Firing Pins are precision machined using our CNC Swiss turning centers. TThe Titanium FNC Firing Pin is made from Grade 6 Titanium which has an Ultimate Tensile Strength of 140,000 psi. Titanium is 40% lighter than your standard grade of steels thus giving you a faster lock time. Titanium is also Corrosion and High Temperature Resistant to help eliminate galling, fretting and seizing. Firing Pin Length is 3.782 inches with a Nose Diameter of 0.072. Made in the USA!!