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Old 07-27-2018, 09:39 AM   #1
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Recoil Spring Question

I recently purchased a used Pro Carry II (.45 ACP) that is ten years old. I have no idea how many rounds have been put through the pistol. I am going to install a new recoil spring, and it seems there are at least three options:

1. Kimber
2. Wolff
3. Wilson Combat (not the flat spring)

Other than price, is there really any quantifiable difference between the springs? I see that Kimber recommends replacing the spring at 800 rounds and Wolff recommends 1K rounds, and I don't know what Wilson recommends.

I plan on keeping the existing guide rod & recoil spring plug - I'm just going to replace the spring.

Any thoughts?
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Last edited by TennVol; 07-27-2018 at 09:42 AM.
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Old 07-27-2018, 11:44 AM   #2
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I run Wilson Combat Flat Wire Springs in all my 4" and 5" Kimbers. Why, because they preform better and have a service life of around 40,000 rounds. Because the flat wire spring has a smaller I.D. then a conventional round wire spring you will need the WC #651 kit to convert the gun. The kit contains a hardened stainless steel full-length recoil guide rod, hardened stainless steel reverse spring plug and a chrome silicon 22 pound flat wire spring.
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Old 07-27-2018, 11:46 AM   #3
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All of these companies would supply you with quality springs for your Kimber. If you think the gun is high mileage get a firing pin spring too. They often come in sets of both springs.

My Kimber Custom Classic probably had 7 - 8000 rounds on the original springs before I replaced them with a Wolfe set. It still runs great.
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Old 07-27-2018, 12:15 PM   #4
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I wasn't out to re-invent the wheel. My UC2 is not a target gun, it's my EDC CCW.

I called Yonkers (they speak English there now) and told the customer service guy what make of round(s) I use and how many rounds I shoot in the average year. He made some suggestions, I gave him my wife's credit card, and he shipped me some springs.

He told me to call him when I needed the third set as the entire recoil assembly should be changed out.

I consider the UC2 to be the ZT0350 of firearms. Simple, always works, parts are numerous and it eats every round it's been fed.
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Old 07-27-2018, 03:04 PM   #5
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I have used Kimber, Wolff and WC Flat wire. All 3 are quality springs but I don’t think I’ll change from the WC flat wire anytime soon.
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Old 07-27-2018, 03:38 PM   #6
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It seems like the flat wire may be the way to go. A little more expensive, but better in the long run. Thanks!
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Old 07-27-2018, 05:03 PM   #7
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Originally Posted by TennVol View Post
It seems like the flat wire may be the way to go. A little more expensive, but better in the long run. Thanks!

Yes it is a little more expensive in the beginning but considering you're getting a new stainless steel guide rod, reverse spring plug and FW spring that will outlast 5 conventional springs I think it's well worth the investment. I put my first kit in a Super Carry Pro that was well broken in with about 2200 rounds and about ready for another new recoil spring. The gun felt a little tighter at first but after a couple of hundred rounds the spring loosened up and I swore it was smoother then it ever had been. From that point on when a 1911 in my collection was due for a new recoil spring it got a WCFW spring.
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Old 07-28-2018, 10:37 AM   #8
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i run the Wilson kit in my pro carry II, seemed like the best bang for the buck.
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Old 08-02-2018, 12:22 PM   #9
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I ordered a kit off eBay for $49 with free shipping. It arrived today & I installed it. That spring is really under a lot of tension! It took me a few tries to get it in the slide, but it finally went in.

I can really tell a big difference between the Wilson and the Kimber spring I removed. Now I just need it to stop raining so I can go and shoot!
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Old 08-02-2018, 05:38 PM   #10
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That stiffness will relax as the spring gets worked in and now you no longer need that "L" tool to break the gun down.
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