Smith and Wesson SD9VE / SD40VE Trigger Spring Kit

  • Custom Lighter Striker Spring
  • Custom Lighter Trigger Return Spring
  • Custom Lighter Striker Block Spring

The Smith and Wesson SD9VE Trigger Spring Kit is one of the Best Smith and Wesson SD9VE Accessories to improve your accuracy and tighten your shot groups.  Also works for Smith and Wesson SD40VE Trigger. 

Upgrade the factory SD9VE Trigger with a Superior SD9VE Aftermarket Parts designed for Competition Level Performance!  One of the Best S&W SD9VE Accessories to improve the Smith and Wesson SD9VE reliability and performance with lighter, higher quality springs for a smooth and consistent S&W SD9VE Trigger Pull! 

This is the best way to upgrade your SD9VE Trigger! M*CARBO specializes in American Made SD9VE Accessories for Superior Performance! Let us know if you have any ides for New S&W SD9VE Upgrades.  

Custom Smith and Wesson SD9VE Trigger Kit to Reduce your SD9VE Trigger Pull by 50% for the Ultimate Smith and Wesson SD9VE Trigger Job.  Better than the simple spring steel Apex Trigger Kit SD9VE that wears out.  Premium M*CARBO Custom S&W SD9VE Accessories for a Superior SD9VE Trigger Upgrade!

Superior Smith and Wesson SD9VE Upgrades for the Best SD9VE Trigger Upgrade! Custom SW SD9VE Accessories to Increase Performance and Improve Reliability.  S&W SD9VE Upgrades for Superior Performance by Combat Veterans!

S&W SD9VE & SD40VE Owners Manual:

If your getting the Smith and Wesson SD9VE / SD40VE Grips, then you might find the following Smith and Wesson SD9VE / SD40VE Resources useful in further enhancing your firearm for other Smith and Wesson SD9VE / SD40VE Accessories. Download the Smith and Wesson SD9VE / SD40VE Owners Manual.

    M*CARBO No Hassle 100% Lifetime Guarantee:

    The Smith and Wesson SD9VE / SD40VE Trigger Spring Kit is protected by the M*CARBO No Hassle 100% Lifetime Guarantee.

    Drop Tested and Approved:

    Smith and Wesson SD9VE / SD40VE Trigger Spring Kit is an M*CARBO ASTM Spec Spring that will offer a perfect trigger pull reduction with an unlimited drop test rating (3", 6", 9" & 12"+).

    Range Tested and Approved:

    The Smith and Wesson SD9VE / SD40VE Trigger Spring Kit has been tested repeatedly with numerous brands of ammunition to ensure reliable operation and safety.

    Veteran Owned and Operated Business:

    American made Smith and Wesson SD9VE / SD40VE Trigger Spring Kit is designed and manufactured by Combat Veterans. We will donate a portion of your purchase to the Military Foundations we humbly support.


    You must be 18 yrs of age to purchase. We advise that all parts purchased from our inventory be installed and inspected by a qualified gunsmith. Modifying your weapon may be prohibited in your state. Do not modify your sear or hammer engagement surfaces, with or without the Smith and Wesson SD9VE / SD40VE Trigger Upgrade. Before installing please be sure to check all local state and federal laws. By installing this part you agree to take full responsibility for any and all legal, health and warranty consequences that may be incurred.

    Overall Customer Rating of 127 Reviews:

    Great product and easy install.

    Ordered this product a week ago. Got here faster than expected and was very easy to install. The M*CARBO instructional video was extremely helpful and made the install very easy. The small piece of plastic for the trigger spring definitely made the install less of a headache than it otherwise would have been.

    Great product

    Unfortunately, I was not able to complete the spring swapping. The trigger spring gave me trouble and now I need to find a gunsmith to take the slide off and install the spring. The other two springs installed very easily. The issue was my fault able the product. I do wish the little plastic assist tool fit a little tighter when installing the trigger spring. All in all I would say MCARBO has great customer service.

    Crowley, Texas

    S&W SD9 spring kit.

    Provided a lighter trigger pull as claimed, by how much I don’t know, have no trigger gauge. The install was difficult, the slave pin type device was not useful, saw on another web sight that required changing the sear spring which your not given in this spring kit and showed that taking out the sear assembly made it so much easier installing the trigger reset spring, then install the sear assembly along with the orientation of the trigger bar. Driving out the rear roll pin was a little tough, but made the reset spring install much easier.

    Great Upgrade

    For the money, this is by far the best upgrade you can get. Plus the video and support are unsurpassed.


    Well researched and designed!

    This spring kit was not only easy to install, (I just followed along with the video) but there is a physically noticeable change to trigger pull. The alignment tool provided makes even a novice gun enthusiast feel like a master tech!

    Number of questions: 0