The Timney® Replacement CZ® 457 Trigger is a trigger upgrade designed for improved hunting and competition shooting. Featuring an easy-to-install design, this trigger features an innovative Sear Engagement Adjustment Lock design (SEAL'd) to ensure a user-friendly experience. This drop-in trigger upgrade features a factory calibrated 1 lb. pull weight. Backed by a lifetime warranty from Timney Triggers. Made in USA.