4 M1 trigger mechanisms that have been demilitarized. The mechanism contains the following parts, trigger housing, safety, clip ejector spring, trigger, sear, and the trigger pin. The safety is spot welded to the inside of the housing and the trigger is spot welded to the inside bottom on the rear end of the housing. The trigger and safety can be removed easily with the use of a Dremel tool and a cutting wheel. Expect some light surface rust.