The Apex Tactical Apex Action Enhancement kit for S&W pistols is drop in replacement kit which replaces the Trigger, Sear, Sear Spring, and Striker Block. The kit will directly provide you with a smoother trigger pull and reduce the travel over the factory trigger.

Features and Specifications:
Apex Tactical Polymer Action Enhancement Kit 100-026
Smith & Wesson M&P Kit
Smooths out trigger pull
Reduces trigger pre-travel and over-travel by approximately 20%
Reduces reset length
Keeps pistol at a safe 5-5.5 lb trigger pull weight for Duty/Carry applications
Center mounted pivoting safety maintains factory safety values
Matte Black

Fits:
Smith & Wesson M&P 9/40 Pistols Only
Note: This kit will NOT function with the M&P 45/M&P 2.0/M&P Shield or with the Apex Forward Set Sear and Trigger Kit.

Includes:
One Apex Polymer Action Enhancement Trigger
One Apex Heavy Duty Sear Spring
One Fully Machined Sear
One Duty/Carry Spring Set (Trigger Return Spring, 1/8" Sear Spring*)
One Ultimate Striker Block Kit (Striker Block, Spring and Talon Tactical Tool)
One Slave pin (assists with installation of trigger return spring)