100-B160
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What It Does
The Thin Blue Line Series Apex Action Enhancement Trigger Kit for the M&P Shield 45 directly replaces the factory hinged trigger with a solid aluminum trigger body. The trigger reduces trigger pre-travel and over-travel by approximately 20%. It features a smooth face with a center mounted pivoting safety. The center mounted pivoting safety bar prevents unintended operation by creating a trigger block that will not disengage unless the shooter places their finger directly on the trigger face. The Apex Action Enhancement Trigger is perfect for use with the M&P Shield 45 already equipped with the Apex Duty/Carry Kit for the Shield 45.

Expected Results
– Reduces pre-travel
– Reduces over-travel
– Center mounted pivoting safety maintains factory safety values


Applicable To What Gun(s)
Works with the Smith & Wesson M&P Shield 45 Pistol. NOT for use in the Shield in 9mm and .40 calibers.
Works in conjunction with the Apex Duty/Carry Kit for the Shield 45, or as a stand-alone with the factory sear and other components.


In The Package
1 ea. Aluminum Action Enhancement Trigger for M&P Shield 45 - Thin Blue Line Series
1 ea. Trigger Return Spring Installation Shield Slave Pin


Installation Resources
Shield Trigger Bar Install PDF – This is the recommended process for installing the trigger bar in an Apex replacement trigger for the S&W M&P Shield.