The EGW .093 Firing Pin is precision-engineered specifically for 1911 Officers model pistols chambered in .40 S&W and 10mm calibers.EGW .093 Firing Pin for 1911 OfficersCompatible with .40 S&W and 10mm calibersPrecision machined for reliable ignitionDesigned specifically for 1911 Officers frame pistolsQuality replacement part from EGWEssential for maintaining proper firing pin function and ensuring reliable ignition in your 1911 Officers pistol. Perfect for gunsmiths competitive shooters and firearm enthusiasts performing maintenance or repairs.