The Ed Brown #825 Firing Pin is a precision-manufactured replacement component designed for 1911 Officers model pistols chambered in 9mm 38 Super and 10mm calibers.Ed Brown Part #825 Firing PinCompatible with 1911 Officers model pistolsMulti-caliber design: 9mm 38 Super and 10mmPrecision-manufactured to Ed Brown quality standardsUPC: 800732825007This firing pin provides reliable ignition and is manufactured to Ed Brown's exacting specifications for optimal performance in your 1911 platform firearm.