Precision-engineered, tool steel firing pin and extractor improve the reliability or your 10/22. Improved geometry of the Exact Edge Extractor ensures positive extraction and consistent ejection. Both parts are polished for smooth operation, and a replacement extractor spring is included to further aid in reliable operation. Firing pin also available separately. Mfg: Volquartsen SPECS: A2 tool steel, hardened to Rc 56-58. Kit includes firing pin, extractor, and extractor spring. Fits Ruger 10/22 .22 LR only.