The Timney Ruger 10/22 trigger undoubtedly sets the standard for aftermarket trigger upgrades for this model.One piece action of CNC machined 6061-T6 aircraft grade billet aluminumTrigger sear and hammer are wire EDM cut and heat treated steel for exceptional durabilityPush out the two action pins and "drop in" the new Timney complete trigger assemblyTrigger is set at 2 3/4 pounds from the factory with no creep