Timney Triggers 663S Targa Long Trigger Two-Stage Curved Trigger with 2 lbs Draw Weight & Black/Blue Finish for AR-PlatformTimney Triggers feature precision machining, workmanship and are individually tested and calibrated by hand. The AR Targa 2 Stage Trigger is a 100 percent drop in unit that is ready to install in your AR 15 for an exceptionally smooth, crisp, two stage trigger pull. The pull weight is factory calibrated for a TWO pound first stage and a TWO pound second stage. The trigger housing is constructed of military grade, 6061 T6 alloy that is CNC machined