The Flat-Faced Forward Set Sear & Trigger Kit from Apex Tactical is a drop-in replacement for your M&P’s factory trigger that produces a lower pull weight with less pre-travel and over-travel for a trigger pull similar to a 1911. The trigger face replicates the feel of a flat 1911 trigger, while retaining full function and reliability of S&W’s pivoting passive safety lever. This kit contains: Aluminum flat-faced trigger Forward set sear Ultimate Striker Block Kit (striker block, spring & installation tool) Forward set spring pack (3 lb. & 4 lb. trigger return springs, sear spring, RAM spring & plastic slave pin to aid i Mfg: Apex Tactical Specialties Inc SPECS: Kit includes Flat Faced Forward Set Trigger, Forward Set Sear, Ultimate Striker Block Kit(striker block, spring, and Talon Tactical Tool), Forward Set Spring Kit(white trigger return spring, green trigger return spring, polymer slave pin, sear spring, and RAM spring. Trigger only includes