Timney is the market leader for CZ replacement triggers. A true drop in trigger. Factory calibrated ready to shoot or fully adjustable for Sear Engagement (Creep), over travel (Follow through) and Pull Weight. Trigger allows you to become more accurate with your rifle. No gunsmith needed, easy to install. Ready for the range right out of the box or adjustable for custom feel. Compatible with CZ 500. 3 pounds.