Timney Triggers Ruger American Gen II, Trigger, Black, Adjustable 642C Timney Triggers are one of the best investments you can make in your rifle. If your accuracy is suffering due to wide groups" a drop in trigger can help shrink group sizes by almost half. This is done by eliminating the slack and inconsistent break a standard trigger gives you. Timney Triggers provide you with a smooth" consistent and predictable trigger break. In addition to the consistency provided you can adjust the weight of the trigger pull.