Springs for the JARD CZ-457 Trigger Replacement springs to change pull weight on the JARD CZ-457 Trigger. These are the springs shown in the JARD CZ-457 Trigger instruction manual. You can swap in a stronger or a lighter spring to change the pull weight...

JARD Gen III Trigger for the CZ 457 This new Generation III trigger takes the CZ 457 Trigger up into a new level of refinement. Three models come Drop-In Ready for match grade trigger pulls of 3-6 oz, 7-10 oz, and 11-12 oz. Each model is screw adjustable...