Timney Triggers Ruger Precision Rifle, Two-Stage Trigger, Straight, Black Finish, 1/2LB First Stage, 1LB Second Stage, the First Stage is User Adjustable From 1/2LB to 1LB and the Second Stage is User Adjustable From 1/2LB to 2LB 650ST Timney is the market leader for Ruger replacement triggers. Fully adjustable for Sear Engagement (Creep)" over travel (Follow through) and Pull Weight.