Apex Sigma Spring Kit
– Reduces trigger pull weight by approximately 2.0 lbs. from factory
– Smooths trigger pull
– Improves reset
Smith & Wesson Sigma Series semi-auto pistols (SW9VE or SW40VE) and all Sigma “C”, “F” & “VE” models. Works in conjunction with the Apex SD/Sigma Polymer Action Enhancement Trigger. NOT for use in the SD Series pistols (see Apex SD Spring Kit).