The Timney Triggers 631 is a genuine drop-in trigger, skillfully crafted for easy installation. There\'s no need for a gunsmith\'s involvement in the process.This trigger is factory calibrated and fully prepared for immediate use. Additionally, it offers extensive adjustability for sear engagement, known as \'Creep\', follow through, referred to as \'over travel\', and pull weight. This level of customization gives shooters a personalized experience tailored to their preferences.