Volquartsen SureStrike Firing Pin for Ruger MK I, II, III and IV (Including 22/45) Pistols

Volquartsen SureStrike Firing Pin for Ruger MK I, II, III and IV (Including 22/45)
  
This SureStrike firing pin is designed to eliminate light strikes on the Ruger MK I, II, III and IV pistols (including 22/45). Machined .004" wider than factory pins to eliminate play in the action and hardened to prevent wear seen on factory pins.