Timney triggers feature precision machining, workmanship and are individually tested and calibrated by hand.Timney's featherweight trigger is precision machined and hand-fitted to provide a crisp trigger pull.It features a lightweight alloy housing and hardened steel working surfaces.This model is compatible with your ruger 77 firearm.Finish: BlackType: TriggerModel: FeatherweightMaterial: Steel w/Aluminum HousingTrigger: 3 lbSafety: Tang