SIG P-Series Master Spring Set – P226, P229, P220
$16.00
The Grayguns P-Series Master Spring Set is compatible with various SIG Sauer® P-Series pistols. Designed for your P220, P226, P229 and many variants. See the Fit Guide below.
Includes a 17-pound spring (red) and a 19-pound spring (blue).
Description
Our Master Spring Set includes our 17X and 19X mainsprings and our competition sear spring.
Master Spring Kit Fit Guide
The kit is compatible with the following modern DA/SA SIG SAUER P-Series pistols:
- P220
- P224
- P225A1
- P226
- P227
- P228
- P229
- P226 X-Five Allround
The mainsprings provided are designed for the modern E2 compatible strut and seats or our P-Series Fat Custom Strut System. The springs will not fit the old-style strut and seats.
Additional information
Weight | 0.0625 lbs |
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Dimensions | 6 × 4 × 1 in |
13 reviews for SIG P-Series Master Spring Set – P226, P229, P220
5 star | 100% | |
4 star | 0% | |
3 star | 0% | |
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1 star | 0% |

Disclaimer
Many parts sold by Grayguns - including but not limited to triggers, trigger kits, internal components and spring kits - are intended for installation by a qualified armorer or gunsmith who is familiar with the firearm.
Although kits fit with no issues in a great majority of pistols, Grayguns cannot guarantee perfect functionality in every instance.
Due to varying tolerances present in all mass-produced firearms, professional fitting by a qualified armorer who is familiar with the pistol's action may be required.
Grayguns offers installation services for all parts kits we offer. If you have any issues or questions about the installation process, STOP IMMEDIATELY and contact the Grayguns Customer Service Team.
I have a P226 MK25 and didn’t expect a whole lot.. Man was I wrong!
EXCELLENT choice. SA pull dropped a full 1lb to 3.5lb and DA is smooth.
Kit was easy to install and made a huge difference in my double action trigger pull. I went from 10#+ T0 ABOUT 7.5..single action is about 3.5..
I went to the range after installing, no light primer strikes and the trigger was excellent.
Thanks for a great product and a more than reasonable price .
If you own any Sig P22x series gun you nrrd this kit..
This is a great first upgrade for a P299. The trigger pull is definitely better than the factory springs with the new 17lbs installed.
Swapped out the 17lb on my P226 legion DA/SA. Dont have befote/after weights but the DA pull noticeably lighter and still retains smoothness through the pull. SA follow-up shots very light and crisp.
Swapped out the sear spring and installed the 17lb spring in my mk25. Now my double action accuracy is better than my single action.
had the blue spring, Grayguns dual adjustable flat trigger, and Sigs SRT kit installed in my P220 and what a difference it made. love the trigger. should of done it soonet
Kept looking at this kit but hesitated but now that it is installed I am overjoyed with it and the results are amazing.
Have a 229 Select that had a slightly heavier than average pull compared to the many other Sigs I own and have owned.
Installed the sear spring and 19 lb mainspring and with the factory short reset trigger already in it from the factory it is comparable to my Legions.
DA is very noticeably reduced and I notice the change on SA as well.
In addition to the reduced trigger pull the DA pull is not only lighter but very smooth from start to finish of pull.
Installation was a breeze and quick.
If you are looking to do this to your Sig don’t wait- it is worth the time and money.
My da feels better with the new spring. East install
Installed 19# and sear spring in my 229 Legion in about 5 minutes. Was a very easy install with a noticeable difference in DA trigger pull. Quick delivery and worth the $16. Had no light strikes since install .
Makes a great back up spring set for classic P-Series SIGS.
I ordered the P Series Master Spring Kit for my 229 E2. My pistol already had the Short Reset Trigger and the internal SRT parts. I installed the 19 lb. spring as recommended for a carry gun and the sear spring. The kit dropped my double action and single action trigger pulls by about 2 1/2 lbs. respectively. Very pleased with the results and quality of the product and service.
I ordered two of these sets, placing the 19 pound spring in my P228, and a 17 pound spring in my P226.
After verifying operation at the range for both guns, I found that neither spring affected the amazing reliability of each pistol.
In fact, my trigger work in the P226 was so notably improved, that after a few months, the P228 was moved to the red spring as well.
For the money, one of the best improvements I’ve made on my Sig pistols (next to the Gray Guns adjustable triggers).