Black-anodized aluminum trigger

Action Enhancement Trigger for M&P Shield

Three springs, two small steel parts, a yellow slave pin, and Apex sight tool

Duty/Carry Action Enhancement Kit for M&P

Spring Kit for SDVE and Sigma

As low as $25.00
Availability: In stock
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The Apex Spring Kit (model specific) is an important upgrade to the trigger pull of the SDVE or Sigma pistols, yet still ideal for duty/carry and personal protection purposes. When properly installed, this kit will:


-Reduce trigger pull weight by approximately 2 lbs.

-Smooth trigger pull

-Improve reset

-Direct drop-in replacement parts


For Use In These Guns

Part# 107-120 for use in SDVE and SD models.

Part# 107-021 for use in Sigma models.


This product does NOT include a slave pin. A pin punch can be used to line up the parts when installing the pivot pin. 

What's Included

1 ea. Trigger Return Spring

1 ea. Striker Block Spring

1 ea. Striker Spring

1 ea. SD Sear Spring (applies to 107-120 SD Spring Kit only)

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