This small, essential parts kit is small enough for the operator to store anywhere, yet contains all of the essential parts for the M14 rifle to function when stock parts get lost, broken or simply wear out. The trigger pin and hammer pin are made from S7 tool steel and salt bath nitrided. The connector lock and ejector are manufactured from 4140, heat treated, and salt bath nitrided. The shim kit is manufactured from 303 stainless steel. Kit Includes: Trigger PinHammer PinHammer SpringSafety SpringConnector LockShim KitEjectorExtractor