Volquartsen Firearms SureStrike Firing Pin for MKI MKII and MKIII Silver

Volquartsen Firearms SureStrike Firing Pin for MKI MKII and MKIII Silver. The SureStrike Firing Pin is precision EDM machined from A2 tool steel. The impact section of the firing pin is then surface ground to create the optimal SureStrike each and every time This new firing pin is also .004" wider than the factory firing pin to help eliminate side to side movement in the factory bolt. Hardened to a Rc 5658 to prevent any excessive wear and deformation that can be found on the factory firing pin.