The Timney AR10 Competition Skeletonized Trigger is a drop-in trigger designed for easy installation on most AR10 rifle platforms. It features a single stage 4 lb. trigger pull with no creep. The trigger makes use of the rifles existing hammer/trigger pins. CompatibilityAll Military Spec Built LowersSR-762Timney AR-10 Triggers are designed to fit all mil-spec AR-10 and .308 Caliber platforms. Timney Triggers Timney AR10 Skeletonized 4 lb Trigger 671