Timney Triggers 601 Featherweight Curved Trigger 3 lbs Draw Weight for Ruger 77Timney 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.