The EGW .075 Firing Pin is precision-engineered for reliable performance in 1911 Government and Officers models chambered in 40 S&W and 10mm calibers.EGW .075 Firing Pin for 1911 pistolsCompatible with Government and Officers frame sizesDesigned for 40 S&W and 10mm calibersPrecision manufactured for reliable ignitionDirect replacement partEssential for maintaining proper firing pin protrusion and ensuring consistent primer ignition in your 1911 platform pistol.