The Timney Rifle Trigger for the Howa 1500 is a true drop in trigger featuring a Timney designed, unique trigger blocking safety. The trigger is factory calibrated and ready to shoot. It's also fully adjustable for sear engagement (creep), over travel (follow through), and pull weight). No gunsmithing required. Compatible with 1500 HOGUE Rifle, Howa 1500 (Factory 2 position safety), Weatherby Vanguard (Factory 2 position safety).