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  • Labeled S&W SW40VE Trigger Spring Kit - Sear Spring and Assembly Tool
  • Smith and Wesson Sigma Trigger Upgrade M*CARBO
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S&W Sigma SW40VE / SW9VE Trigger Spring Kit

review-star review-star review-star review-star review-star
(4.65) 181 reviews
Price: $12.95
in-stock-product Availability: IN STOCK

Retail: Retail: $15.95

You Save: $3.00 (18.8%)


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Product Information

About This Item

WHAT'S INCLUDED:

  • Custom Lighter SW9VE/SW40VE Sear Spring
  • Assembly Dowel
Description

S&W Sigma SW9VE & SW40VE Trigger Spring Kit

    The major complaint with the Smith and Wesson SW9VE / SW40VE is that is has a very heavy 9-10lb factory trigger pull. This leaves a lot of us looking for affordable SW40VE Accessories to make further improvements on factory parts. SW9VE Accessories should include the Best Custom SW40VE Trigger Fix for the money! 

    Fast Installation SW9VE Trigger Job for a 50% Trigger Pull Reduction. This is a must have SW9VE Trigger Fix on your SW9VE Aftermarket Parts List!

    Smith and Wesson SW9VE Trigger Kit will improve accuracy and tighten your shot groups!

    Aftermarket Smith and Wesson SW40VE Parts should give you the most bang for your buck, like the Ultimate SW40VE Trigger Upgrade! One of the Best Aftermarket S&W Sigma Accessories you can make to improve your S&W Sigma Performance!

    These SW9VE Accessories are also compatible as SW40VE Accessories since S&W used a lot of the same parts in their S&W Sigma trigger assemblies. Hands down the Best SW9VE Trigger Kit Available and the Only One Made by Combat Veterans! Take your SW9VE and SW40VE to the Next Level of Competition Performance!

    S&W Sigma SW9VE & SW40VE Resources:

    If you're getting the Smith and Wesson SW9VE / SW40VE Trigger Spring Kit, then you might find the following Smith and Wesson SW9VE / SW40VE Resources useful in further enhancing your firearm for other Smith and Wesson SW9VE / SW40VE Accessories. Download the Smith and Wesson SW9VE / SW40VE Owners Manual.

    Smith and Wesson Sigma Series Owner's Manual
    Smith and Wesson SW9VE/SW40VE Exploded View
    S&W Sigma SW9VE/SW40VE Trigger Job Printable Instructions

    M*CARBO No Hassle 100% Lifetime Guarantee:

    The S&W Sigma SW40VE / SW9VE Trigger Spring Kit is protected by the M*CARBO No Hassle 100% Lifetime Guarantee.

    Drop Tested and Approved:

    S&W Sigma SW40VE / SW9VE Trigger Spring Kit is drop Tested according to SAAMI Standard Z299.5 rating (12" & 48").

    Tested and Approved:

    The S&W Sigma SW40VE / SW9VE Trigger Spring Kit has been tested repeatedly to ensure reliable operation and safety.

    Veteran Owned and Operated Business:

    American made S&W Sigma SW40VE / SW9VE 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.

    ATTENTION:

    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 S&W Sigma SW40VE / SW9VE Trigger Spring Kit. 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.


    Reviews
    SW SD40VE trigger spring upgrade kit
    review-star review-star review-star review-star review-star
    I was skeptical about buying this kit. The mixed reviews left me feeling a bit "MEH". The SD40VE trigger is a mess, heavy pull, tons of creep, and just leaves me wondering what S&W was thinking. Then I remember the key point about this weapon. This is a sub-$400 pistol. Yes, the M*CARBO kit works! The change in the profile of trigger performance was exactly what they promised. On that note: The SD40VE is a pig, and the upgrade is nothing more than lipstick, BUT.... In the realm of budget pistols it is $20 well spent. This is not a $20 " made my pistol a tricked out race-gun" fairytale, it is a solid upgrade that delivers the performance asked for. Should you find yourself dissatisfied with this upgrade, maybe it is time to consider trading your Smith in on something better?
    Trigger spring kit
    review-star review-star review-star review-star review-star
    purchased two trigger spring kits for my S&W Sigma SE40VE and SE9VE pistols. had installed with master gun smith. both starting pulls right at 10 lbs installed kits both ended up with pulls right at 8 lbs sure nothing like you claimed around 5 lbs period. Waste of money for purchase and money to install!!!
    SW40VE trigger spring
    review-star review-star review-star review-star review-star
    Installing this spring and some modest polishing reduced my trigger pull to 6lbs! Shipping was fast! I appreciate the great quality and service. Now, could you please make a better trigger for this pistol?
    Excellent Way to Make a Sigma SW9VE More Useable
    review-star review-star review-star review-star review-star
    While going through the gun safe, I found my old S&W Sigma. It had long been retired in favor of Glocks due to an awful trigger pull. Really heavy and long and creepy.
    I went online to find ways to improve the trigger, and stumbled upon Mcarbo. $20 later and 5 days shipping and I was installing the spring kit. It took about 90 minutes, mostly spent getting the pigtail spring back in.
    I immediately took it out to the range and was truly amazed at the result! A Sigma can be fun to shoot and accurate. Well worth the investment in the spring kit.
    sw40ve trigger kit
    review-star review-star review-star review-star review-star
    It is a waste of time and money, didn't reduce the pull by even a pound.
    I have installed many MCABO trigger kits and this the only one that did absolutely nothing.
    review-star review-star review-star review-star review-star
    Took the trigger pull from 9.6 pounds down to 5.8
    review-star review-star review-star review-star review-star
    Took the trigger pull from 9.6 pounds down to 5.8
    review-star review-star review-star review-star review-star
    Took the trigger pull from 9.6 pounds down to 5.8
    Questions & Answers
    0 0
    Question:
    Will this fit the SD40?
    DLP1960 February 3, 2025 4:45 PM
    Answers
    No you would need the SD kit not the SW kit.
    Answered by
    Justin Morris / May 1, 2025 8:47 AM
    What stainless slide rod kit fits the SD40?
    Answered by
    DavidXQ4X6N3P / February 3, 2025 7:43 PM
    What stainless slide rod kit fits the SD40?
    Answered by
    DavidXQ4X6N3P / February 3, 2025 7:43 PM
    What stainless slide rod kit fits the SD40?
    Answered by
    DavidXQ4X6N3P / February 3, 2025 7:42 PM
    0 0
    Question:
    Trigger kit. SD40VE not sure which one
    BROOKSIE March 11, 2023 2:29 PM
    0 0
    Question:
    Hi! Just wanted to make sure that this spring is good to go on a model S&W40F. Thanks!
    Dr. Ron March 24, 2022 9:41 PM
    Answers
    We haven't tested our spring kit in the SW40F, that was their precursor model to the SW40VE. We can't say for sure whether they made any changes with the sear spring, so unfortunately we cannot guarantee the results for your model.
    Answered by
    Abby Marino / April 18, 2022 10:37 AM

    About This Item

    WHAT'S INCLUDED:

    • Custom Lighter SW9VE/SW40VE Sear Spring
    • Assembly Dowel

    S&W Sigma SW9VE & SW40VE Trigger Spring Kit

      The major complaint with the Smith and Wesson SW9VE / SW40VE is that is has a very heavy 9-10lb factory trigger pull. This leaves a lot of us looking for affordable SW40VE Accessories to make further improvements on factory parts. SW9VE Accessories should include the Best Custom SW40VE Trigger Fix for the money! 

      Fast Installation SW9VE Trigger Job for a 50% Trigger Pull Reduction. This is a must have SW9VE Trigger Fix on your SW9VE Aftermarket Parts List!

      Smith and Wesson SW9VE Trigger Kit will improve accuracy and tighten your shot groups!

      Aftermarket Smith and Wesson SW40VE Parts should give you the most bang for your buck, like the Ultimate SW40VE Trigger Upgrade! One of the Best Aftermarket S&W Sigma Accessories you can make to improve your S&W Sigma Performance!

      These SW9VE Accessories are also compatible as SW40VE Accessories since S&W used a lot of the same parts in their S&W Sigma trigger assemblies. Hands down the Best SW9VE Trigger Kit Available and the Only One Made by Combat Veterans! Take your SW9VE and SW40VE to the Next Level of Competition Performance!

      S&W Sigma SW9VE & SW40VE Resources:

      If you're getting the Smith and Wesson SW9VE / SW40VE Trigger Spring Kit, then you might find the following Smith and Wesson SW9VE / SW40VE Resources useful in further enhancing your firearm for other Smith and Wesson SW9VE / SW40VE Accessories. Download the Smith and Wesson SW9VE / SW40VE Owners Manual.

      Smith and Wesson Sigma Series Owner's Manual
      Smith and Wesson SW9VE/SW40VE Exploded View
      S&W Sigma SW9VE/SW40VE Trigger Job Printable Instructions

      M*CARBO No Hassle 100% Lifetime Guarantee:

      The S&W Sigma SW40VE / SW9VE Trigger Spring Kit is protected by the M*CARBO No Hassle 100% Lifetime Guarantee.

      Drop Tested and Approved:

      S&W Sigma SW40VE / SW9VE Trigger Spring Kit is drop Tested according to SAAMI Standard Z299.5 rating (12" & 48").

      Tested and Approved:

      The S&W Sigma SW40VE / SW9VE Trigger Spring Kit has been tested repeatedly to ensure reliable operation and safety.

      Veteran Owned and Operated Business:

      American made S&W Sigma SW40VE / SW9VE 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.

      ATTENTION:

      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 S&W Sigma SW40VE / SW9VE Trigger Spring Kit. 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.


      Product Reviews (181)
      review-star review-star review-star review-star review-star
      4.65
      SW SD40VE trigger spring upgrade kit
      review-star review-star review-star review-star review-star
      I was skeptical about buying this kit. The mixed reviews left me feeling a bit "MEH". The SD40VE trigger is a mess, heavy pull, tons of creep, and just leaves me wondering what S&W was thinking. Then I remember the key point about this weapon. This is a sub-$400 pistol. Yes, the M*CARBO kit works! The change in the profile of trigger performance was exactly what they promised. On that note: The SD40VE is a pig, and the upgrade is nothing more than lipstick, BUT.... In the realm of budget pistols it is $20 well spent. This is not a $20 " made my pistol a tricked out race-gun" fairytale, it is a solid upgrade that delivers the performance asked for. Should you find yourself dissatisfied with this upgrade, maybe it is time to consider trading your Smith in on something better?
      Trigger spring kit
      review-star review-star review-star review-star review-star
      purchased two trigger spring kits for my S&W Sigma SE40VE and SE9VE pistols. had installed with master gun smith. both starting pulls right at 10 lbs installed kits both ended up with pulls right at 8 lbs sure nothing like you claimed around 5 lbs period. Waste of money for purchase and money to install!!!
      SW40VE trigger spring
      review-star review-star review-star review-star review-star
      Installing this spring and some modest polishing reduced my trigger pull to 6lbs! Shipping was fast! I appreciate the great quality and service. Now, could you please make a better trigger for this pistol?
      Excellent Way to Make a Sigma SW9VE More Useable
      review-star review-star review-star review-star review-star
      While going through the gun safe, I found my old S&W Sigma. It had long been retired in favor of Glocks due to an awful trigger pull. Really heavy and long and creepy.
      I went online to find ways to improve the trigger, and stumbled upon Mcarbo. $20 later and 5 days shipping and I was installing the spring kit. It took about 90 minutes, mostly spent getting the pigtail spring back in.
      I immediately took it out to the range and was truly amazed at the result! A Sigma can be fun to shoot and accurate. Well worth the investment in the spring kit.
      sw40ve trigger kit
      review-star review-star review-star review-star review-star
      It is a waste of time and money, didn't reduce the pull by even a pound.
      I have installed many MCABO trigger kits and this the only one that did absolutely nothing.
      review-star review-star review-star review-star review-star
      Took the trigger pull from 9.6 pounds down to 5.8
      review-star review-star review-star review-star review-star
      Took the trigger pull from 9.6 pounds down to 5.8
      review-star review-star review-star review-star review-star
      Took the trigger pull from 9.6 pounds down to 5.8

      Questions & Answers

      3 Questions

      0 0
      Question:
      Will this fit the SD40?
      DLP1960 February 3, 2025 4:45 PM
      Answers
      0 0
      No you would need the SD kit not the SW kit.
      Answered by
      Justin Morris / May 1, 2025 8:47 AM
      0 0
      What stainless slide rod kit fits the SD40?
      Answered by
      DavidXQ4X6N3P / February 3, 2025 7:43 PM
      0 0
      What stainless slide rod kit fits the SD40?
      Answered by
      DavidXQ4X6N3P / February 3, 2025 7:43 PM
      0 0
      What stainless slide rod kit fits the SD40?
      Answered by
      DavidXQ4X6N3P / February 3, 2025 7:42 PM
      0 0
      Question:
      Trigger kit. SD40VE not sure which one
      BROOKSIE March 11, 2023 2:29 PM
      0 0
      Question:
      Hi! Just wanted to make sure that this spring is good to go on a model S&W40F. Thanks!
      Dr. Ron March 24, 2022 9:41 PM
      Answers
      0 0
      We haven't tested our spring kit in the SW40F, that was their precursor model to the SW40VE. We can't say for sure whether they made any changes with the sear spring, so unfortunately we cannot guarantee the results for your model.
      Answered by
      Abby Marino / April 18, 2022 10:37 AM

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