Apex Tactical Specialties Action Enhancement Red Trigger and Duty/Carry Kit for the S&W M&P Shield. These Pistol Triggers from the trendsetters at Apex Tactical Specialties feature a smooth uptake and reset that allows for more precise targeting. With a crisp trigger break the Apex Tactical Specialties Action & Duty/Carry Kit provides consistent results. Drop in and go with this easy to install aftermarket accessory. Maintain the factory specific settings while increasing your output with the Apex Tactical Specialties M&P Shield Kit. Specifications for Apex Tactical Specialties Action Trigger Assembly Enhancement Kit: Manufacturer: Apex Tactical Specialties Color: Red Gun Model: Smith & Wesson M&P 40 Shield Smith & Wesson M&P 9 Shield Condition: New Features of Apex Tactical Specialties Action Trigger Kit 2SY-PTR-ACTAK Reduces trigger pull by approximately 2 lbs. Smooth uptake and reset Reduces pre-travel Reduces over-travel Reduced reset Center mounted pivoting safety maintains factory safety values Applicable To What Gun(s) Works with all Smith & Wesson M&P Shield Pistols in 9mm and .40 calibers. NOT for use in the Shield 2.0. NOT currently for use in the Shield 45. Package Contents: Apex Tactical Specialties Action Trigger Assembly Enhancement Kit 2SY-PTR-ACTAK What firearm models does the manufacturer say Apex Tactical Specialties Action Trigger Assembly Enhancement Kit is compatible with? The manufacturer suggests that Apex Tactical Specialties Action Trigger Assembly Enhancement Kit is compatible with Smith & Wesson M&P 9 Shield Smith & Wesson M&P 40 ShieldApex Tactical Specialties 100-056: Action Enhancement Red Trigger and Duty/Carry Kit for the S&W M&P Shield