Recoil Spring life..... - Kimber Forum

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Old 03-24-2017, 08:55 PM   #1
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Recoil Spring life.....

Hi all, I read somewhere that Kimber recommends recoil spring replacement on the full size 1911 models every 1500 rounds. In the past I've always been of the opinion 3-5000 rounds was about right. I wonder if anyone has devised a way to test the spring. Anybody out there with any thoughts on this? Does one brand outlast another in your experience? A Frame is a terrible thing to waste.
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Old 03-25-2017, 02:04 AM   #2
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You might want to check out one of these kits.

Flat-Wire Recoil Spring Kit | Full-Size-http://shopwilsoncombat.com/
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Old 03-25-2017, 05:54 AM   #3
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Brownells sells a recoil spring tester but I believe as JC suggested the Wilson Combat flat wire springs are a better way to go. I run these springs in all my 4" and 5" 1911's.
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Old 03-25-2017, 05:57 AM   #4
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I also switched over the the Wilson setup and am happy with the results and longer life than the Kimber parts.
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Old 03-25-2017, 11:56 AM   #5
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Originally Posted by Cybercycle View Post
I also switched over the the Wilson setup and am happy with the results and longer life than the Kimber parts.
I'm curious whether the Kimber springs are indeed inferior to Wilson's, if Wilson makes unrealistic claims of their springs, or if Kimber just wants to sell more springs.
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Old 03-25-2017, 12:05 PM   #6
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Originally Posted by RustyIron View Post
I'm curious whether the Kimber springs are indeed inferior to Wilson's, if Wilson makes unrealistic claims of their springs, or if Kimber just wants to sell more springs.
I'm not sure I would classify the Kimber springs in that application as "inferior", but suspect that they are spec'd to a different standard for longevity. That seems to have been the case with their Micro 380's. In that case, I used the pre-flat wire springs in my Micro 380 without an issue as long as I changed them as recommended by Kimber. Their new flat spring in that application lasts much longer. As for Wilson's springs, I haven't found them to be unrealistic with their claims.

There might be others here that will weigh-in with their experience.
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Old 03-25-2017, 12:23 PM   #7
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With all the research I did prior to even shooting my Kimber I went ahead and changed to the Wilson Combat as well. Not sure if it actually has contributed to the reliability the first couple of hundred rounds so far, but I a have not experienced any issues and am very pleased. Still a few hundred rounds from completing the break in period. Then I will move into the hollow point testing and see what happens.
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Old 03-25-2017, 01:02 PM   #8
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Originally Posted by RustyIron View Post
I'm curious whether the Kimber springs are indeed inferior to Wilson's, if Wilson makes unrealistic claims of their springs, or if Kimber just wants to sell more springs.
Awhile back I wanted to see how long it would take to see any difference in either of my PCII {45 & 9mm} and not change out the recoil springs in them.

My 9mm had over 4K & the 45 had over 3K rounds and there weren't any issues at that point. Now who really knows how many more that they could have gone, but they were both going off to be Cerakoted and I wanted all of the springs to be new when I got them back.

One day I will try this little test out again in the 9mm and the 45 has the WC flat-wire in it so I believe it will be good for 10K rounds if their advertising is legit.
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Old 03-25-2017, 01:27 PM   #9
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Originally Posted by Marshall View Post
Awhile back I wanted to see how long it would take to see any difference in either of my PCII {45 & 9mm} and not change out the recoil springs in them.

My 9mm had over 4K & the 45 had over 3K rounds and there weren't any issues at that point.
What you mean is that there weren't any visible issues. As the spring slowly loses power it's ability to slow down the slide diminishes. The right way to do it would be to get a new spring and test it with a spring tester (see link in post #3). Then install it in a gun and shoot 1,000 rounds, pull it and test it again. Continue to do that until the spring no longer meets the gun manufactures specs. Just shooting the gun until it fails to function could damage the gun.
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Old 03-25-2017, 01:39 PM   #10
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Originally Posted by Chuck43 View Post
What you mean is that there weren't any visible issues. As the spring slowly loses power it's ability to slow down the slide diminishes. The right way to do it would be to get a new spring and test it with a spring tester (see link in post #3). Then install it in a gun and shoot 1,000 rounds, pull it and test it again. Continue to do that until the spring no longer meets the gun manufactures specs. Just shooting the gun until it fails to function could damage the gun.
I didn't use the word "visible" to begin with and I didn't have any issues with the gun functioning. It still shot and worked as it should have..
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