Description
The Apex Action Enhancement Trigger & Duty/Carry Kit for the M&P Shield combines two essential upgrades into one package: a solid red anodized aluminum trigger body and a complete duty/carry kit. If your Shield's stock trigger feels gritty and unpredictable, this kit addresses exactly what makes the factory trigger frustrating to shoot.
What the Apex Trigger Brings to Your Shield
The aluminum trigger body replaces the factory hinged trigger with a smooth, flat-faced design that reduces pre-travel and over-travel by approximately 20%. Most users report a trigger pull weight reduction of around 2 pounds compared to the factory version, along with a noticeably crisper break and faster reset. The center-mounted pivoting safety maintains all factory safety features while encouraging proper trigger finger placement aligned with the bore axis. You get measurable improvements in control and consistency without compromising the pistol's duty-carry reliability.
Installation and What to Expect
The kit comes as a drop-in assembly, though the installation process requires some mechanical aptitude. Many users find it helpful to watch Apex's installation videos and take your time during the trigger bar pinning step. The fit is tight in the Shield's chassis, but with patience and the right approach, most gun owners can complete the installation. Having a vise and being methodical with the small parts makes a real difference. Once everything's installed, the difference in how the gun shoots becomes immediately clear—tighter groupings, better control, and significantly more enjoyable trigger action.
Compatibility
This kit is specifically designed for original M&P Shield models in 9mm and .40 S&W. It won't work with the Shield 2.0, Shield Plus, Shield 45, or Shield EZ models.
Key Specifications
- Manufacturer: Apex Tactical Specialties Inc.
- Model: Action Enhancement Trigger & Duty/Carry Kit
- UPC: 856008005581
- MPN: 100-056
- Color: Red Anodized
- Trigger Material: Solid Aluminum
- Pre-travel Reduction: Approximately 20%
- Over-travel Reduction: Approximately 20%
- Trigger Pull Reduction: Approximately 2 lbs
- Trigger Style: Flat Face
- Safety Type: Center-Mounted Pivoting
- Compatibility: Smith & Wesson M&P Shield 9mm and .40 S&W only
- Installation: Drop-in
What’s Included
- Red anodized aluminum action enhancement trigger body
- Trigger return spring
- Shield slave pin for trigger return spring installation
- Apex duty/carry kit components
- Installation instructions
Frequently Asked Questions
Will this trigger kit fit my Shield model?
This kit is designed only for original M&P Shield pistols in 9mm and .40 S&W. It will not work with Shield 2.0, Shield Plus, Shield 45, Shield EZ, or 30 Super Carry models. Make sure you have the original Shield before purchasing.
How much easier will the trigger pull be after installation?
Most users report a reduction of approximately 2 pounds in trigger pull weight, though this can vary based on factory tolerances. Beyond the lighter pull, you'll notice a cleaner break without the gritty feeling of the factory trigger and a faster, more tactile reset. These improvements combine to make the gun feel much more refined.
Is this difficult to install myself?
The kit is designed as a drop-in assembly, but the tight tolerances of the Shield chassis mean installation requires patience and care. Many owners find success by watching Apex's installation videos and using proper tools like a vise. If you're uncomfortable working on firearms, having a gunsmith install the kit, especially the striker block component, is a good idea.
Does this kit maintain the factory safety features?
Yes. The center-mounted pivoting safety maintains all factory safety values and standards. The smooth trigger face actually encourages better trigger discipline by promoting proper finger placement on the center line of the trigger, which aligns your pull with the bore axis.




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