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Spring/parts replacement schedule for P226

This is a discussion on Spring/parts replacement schedule for P226 within the SIG Sauer Pistols forums, part of the SIG Sauer Forum category; Hi all, Just purchased my first gun about a month ago. A Sig Sauer P226 Legion. I was reading something about replacing parts of the ...


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Old 07-05-2016, 09:45 AM   #1
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Spring/parts replacement schedule for P226

Hi all,

Just purchased my first gun about a month ago. A Sig Sauer P226 Legion. I was reading something about replacing parts of the gun every X amount of times. Since I'm already over 2,000 rounds, it looks like I'll be replacing the recoil spring shortly, but that's easy enough. Now according to the schedule I have below, I also have roll pins for breach block retention at 5000 rounds, decocking lever spring, trigger bar spring, slide catch and lever spring all at 10,000 rounds.

So my questions are:

Does the below schedule look correct?

How difficult are these springs to replace? Like stated in my original post, I am brand new to firearms and do not want to mess anything up inside of my gun.

Are there any other parts that I should look at replacing that aren't mentioned in this schedule?

Can all of these parts just be bought from Sig Sauer's online store?

Thanks!



Here's the schedule I found:

"Barrel: If the pistol exhibits keyholing or unacceptable accuracy.
Decocking lever spring: 10,000
Extractor: 20,000
Extractor spring: 20,000
Firing pin: 20,000
Firing pin spring: 20,000
Magazine spring: When magazine fails to lock the slide open. *
Recoil spring: 5,000 †
Roll pins for breechblock retention (pins, HD): 5000 ‡
Safety lock spring: 20,000
Slide catch lever and spring: 10,000
Takedown lever: 20,000
Trigger bar spring: 10,000

Mainspring (hammer spring): SIG SAUER evidently makes no formal recommendation about the mainspring, but lbj was told by customer service that guns with 40,000 rounds are still igniting their ammunition with the original spring. If ignition problems do develop and cannot be determined to be due to other reasons, the obvious course would be to try a new mainspring.

* I also recommend replacing the magazine spring when ammunition is not held securely. This can occur before slide lock failures.

† I have seen earlier recommendations here that the recoil spring be replaced after 2500 or 3000 rounds. I replace my recoil springs after 2500 rounds.

‡ This information pertains to the roll pins used to retain the separate breechblocks used in older carbon steel slides. The most recent armorer’s manuals do not mention those older guns. The reason I’ve read for replacing the retaining pins every 5000 rounds is to ensure that the breechblock is secured tightly and firmly in the slide. If any looseness develops (and which may not be detectable by visual inspection), the slide can warp during firing and place additional stress on the frame rails, possibly leading to their early failure.

The original information mentioned only the slide catch lever spring. The 2013 manual shows the lever and the spring."
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Last edited by Fiction; 07-05-2016 at 11:32 AM.
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Old 07-05-2016, 09:56 AM   #2
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That's the same schedule that I use with mine and the most "authoritative" info that I've come across.

However, with your 226 Legion, you don't have a separate breach block so you needn't worry about replacing the retention pin.
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Old 07-05-2016, 11:27 AM   #3
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Originally Posted by ThnkFrst View Post
That's the same schedule that I use with mine and the most "authoritative" info that I've come across.

However, with your 226 Legion, you don't have a separate breach block so you needn't worry about replacing the retention pin.
Okay. Thanks for the information.
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Old 07-05-2016, 05:15 PM   #4
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Some would follow this guide up to the last word, some don't. There's a member here with a high round count and he only replaced his recoil spring.
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Old 07-05-2016, 07:10 PM   #5
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Everything I hear from the armorers is that they recommend a recoil spring every 3500 rounds in a 9mm P226. I agree. I just went 4K on my MK25 and that spring was toast. It was super weak and about an inch shorter than a new one. I replace the trigger bar spring every other recoil spring.
AA3JW and not applicable like this.
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Old 07-05-2016, 08:39 PM   #6
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Originally Posted by samuse View Post
Everything I hear from the armorers is that they recommend a recoil spring every 3500 rounds in a 9mm P226. I agree. I just went 4K on my MK25 and that spring was toast. It was super weak and about an inch shorter than a new one. I replace the trigger bar spring every other recoil spring.
Is the trigger bar spring pretty easy to replace?
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Old 07-05-2016, 09:50 PM   #7
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I know this is the chicken way out, but I change recoil springs as needed, and will be sending my 229 back for the annual checkup special Sig offers when I need more than that. I'm not a gunsmith, and can break anything, sometimes just by being in the same room.

But yes, they do offer a spring/parts kit, and I bought one, just in case I have to have a local gunsmith put hands on mine. Like having enough ammo - you need both when the time comes.
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Old 07-06-2016, 03:29 AM   #8
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Is the trigger bar spring pretty easy to replace?
The TB spring is probably one of the easiest to replace; remove the right side grip panel, unhook the rear end of the spring from the TB and rotate the front end out of the frame. Reverse the process to install the new spring.

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I know this is the chicken way out, but I change recoil springs as needed, and will be sending my 229 back for the annual checkup special Sig offers when I need more than that. I'm not a gunsmith, and can break anything, sometimes just by being in the same room.

But yes, they do offer a spring/parts kit, and I bought one, just in case I have to have a local gunsmith put hands on mine. Like having enough ammo - you need both when the time comes.
I'm fairly new to handgun ownership myself. Some of the best money I've spent so far (other than buying SIGs) was to purchase an armorers DVD and a few simple hand tools. My personal philosophy is "My defense, my gun, my responsibility" and with these minor investments I'm able to service my SIGs with confidence.
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Old 08-24-2016, 05:13 AM   #9
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Am I right in assuming that this replacement schedule be also applicable for a P229? How does this change, if at all, if you do a LOT of dry practice?
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Old 08-24-2016, 05:36 AM   #10
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Am I right in assuming that this replacement schedule be also applicable for a P229? How does this change, if at all, if you do a LOT of dry practice?
The guide is the same for the 229 and other P-series SIGs.

Gun manufacturers, including SIG, recommend that dry fire practice be included in your round counts for spring wear.

However, it should only count if you are actually stressing the spring in question. For instance, the recoil spring doesn't get stressed in dry fire unless you are manually racking the slide. But the mainspring and TB spring are stressed every time you pull the trigger, live or dry.
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Old 08-24-2016, 01:41 PM   #11
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I just replaced most of the springs in my p229 with the available spring kit since I didn't know when it was last done. Sig CS said pistol CPO by them in 2006. I could tell the difference with the new recoil spring. It' worth the $23 investment.
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Old 08-24-2016, 03:24 PM   #12
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Is the Sig Armorer's Tool Kit required to do these maintenance items?
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Old 08-24-2016, 04:06 PM   #13
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Is the Sig Armorer's Tool Kit required to do these maintenance items?
No. It's helpful (especially with the mainspring assembly) but not necessary.
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