Apex Tactical Specialties, Advanced Flat Trigger, Fits Sig P320 Utilizing the patented Apex Forward Set Trigger Bar, the Forward Set Trigger Kit for the Sig P320 delivers a major upgrade in trigger pull performance. When properly installed, this kit will: – Reduce trigger pull weight by approx. 30% – Reduce trigger travel approx. 30% – Reduce reset approx. 20% – Smooth uptake – In X-Series models, does not reduce pull weight but does reduce overall travel by approximately 10% – Maintains factory drop safety values For use in the Sig Sauer P320 pistols (with factory safety upgrade) with or without thumb safety, including the X-Series models. However, due to different internal dimensions of the mold, use in the Sub-Compact Grip Module is NOT recommended. Now featuring our thumb safety compatable trigger bar. Not for use in non-factory upgraded P320 pistols. Does NOT function in the Sig Sauer P250.