S&W Sigma SW40VE / SW9VE Trigger Spring Kit

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  • Ultimate S&W Sigma Trigger Upgrade!
  • Improve S&W Sigma Pistol accuracy and overall performance
  • Nearly 50% Trigger Pull Reduction!
  • Functions in all S&W Sigma Models and Calibers
  • Best Aftermarket SW9VE & SW40VE Accessories!
  • Highest Quality American Spring Steel ASTM A228 Music Wire
  • Protected by the M*CARBO 100% Lifetime Guarantee
  • Made in the USA!
  • Fast Same Day Shipping!

S&W Sigma SW9VE & SW40VE Trigger Spring Kit

  • Consists of a custom designed and manufactured hi point trigger upgrade:

1. Custom Lighter SW9VE / SW40VE Sear Spring

The major compliant with the Smith and Wesson SW9VE / SW40VE is that is has a very heavy 8lb 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 for a 50% Trigger Pull Reduction. This is one of the 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 Best SW9VE Trigger Kit Available and Only One Made by Combat Veterans! Take yoru SW9VE and SW40VE to the Next Level of Competition Performance!

S&W Sigma SW9VE & SW40VE Owners Manual:

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

No Hassle 100% Lifetime Guarantee on Parts & Accessories:

The Smith and Wesson SW9VE / SW40VE Trigger Upgrade Trigger Spring Kit is protected by the M*CARBO No Hassle 100% Lifetime Guarantee. This means that at any time you can send it back and we will exchange it, issue a refund or assist you in any way possible. We even pay return shipping and automate the return process here!

Drop Tested and Approved:

SW9VE / SW40VE 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 SW9VE / SW40VE Trigger Upgrade 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 SW9VE / SW40VE Trigger Upgrade Trigger Spring Kit 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 SW9VE / SW40VE Trigger Upgrade 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.

Overall Customer Rating of 4 Reviews:


As most of you know the sw40ve tigger is junk this spring did help a lot.

S&W trigger spring

Start off fast shipping! This is a must upgrade works perfect. Just a little challenge to install. Would highly recommend! You will stay on target with the lighter trigger pull. Only The best quality parts out there!

S&W trigger spring.

Great product. Gets rid of 8 lb. Pull to 4 lb. . Works great.


Not perfect, but MUCH better

Took my SW40VE from a nasty 12 lb trigger down to a respectable 8 lbs. I know an 8 lb trigger doesn’t sound all that impressive, but when you’ve shot a 12 pounder for several years, this new 8 pounder feels like going from a Pinto to a freaking Ferrari. I also know that the venerable SW40VE gets a bad rap, but for those of us who know how decent a handgun this thing really is... this Mcarbo spring is a “must have” upgrade.