Apex Sig Sauer P320 Advanced Flat Trigger

The Apex Flat and Curved Advanced Triggers reduce trigger pull weight up to 35% in the Sig P320 factory upgraded models. When properly installed, this trigger will: Reduce trigger pull weight by approx. 35% In X-Series models, reduces pull weight by approx. 10% and reduces overall travel 15% Maintain factory drop safety values For Use In These Guns For use in the Sig Sauer P320 pistols (with factory safety upgrade), including the X-Series models.  Does Not Fit These Guns Not for use in non-factory upgraded P320 pistols. Does NOT function in the Sig Sauer P250.