SigmaTrigger Reduced Power Spring for SW40F, SW9F, SW40C, SW9C, SW40V, SW9V, SW40E, SW9E, SW40VE, SW40Ti, SW357V, SW9VE, SW9P, SW9G, SW380M, SW9MSIg;
SigmaTrigger Reduced Power Spring for SW40F, SW9F, SW40C, SW9C, SW40V, SW9V, SW40E, SW9E, SW40VE, SW40Ti, SW357V, SW9VE, SW9P, SW9G, SW380M, SW9MSIg

This Spring has been in production for 8 years and is purpose built for the S&W Sigma SW series only. It will not work with the SD series which replaced the SW series after 2012. Look on the left side of your slide to confir...

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This Spring has been in production for 8 years and is purpose built for the S&W Sigma SW series only. It will not work with the SD series which replaced the SW series after 2012. Look on the left side of your slide to confirm what you have. If it says SD, this will not work.There are video instructions on installation and it takes 10 minutes.

  • Does not Fit anything made after 2012
  • Authentic SigmaTrigger Spring Kit
  • Reduced pull weight to 5.5 - 7 lb
  • Easy to install Drop in replacement same size as OEM for a perfect fit
  • 100% reliable! Easy No-Hassle Guarantee!
  • Does not Fit anything made after 2012
  • Authentic SigmaTrigger Spring Kit
  • Reduced pull weight to 5.5 - 7 lb
  • Easy to install Drop in replacement same size as OEM for a perfect fit
  • 100% reliable! Easy No-Hassle Guarantee!

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