Kimber recoil spring
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Kimber recoil spring


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Old 06-27-2015, 10:55 PM   #1
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Default Kimber recoil spring

Ok, I am looking to replace my factory Kimber recoil spring with a wilson 22# flat wire spring. Can I get just the spring or do I need to get the full Wilson Kit? Its a Pro Carry 2 so it has the full length guide rod. Spring is this onehttp://shopwilsoncombat.com/Flat-Wire-Recoil-Spring-4-Compact-22/productinfo/651C22/ which is a direct replacement for the full kit http://shopwilsoncombat.com/Flat-Wire-Recoil-Spring-Kit-4-Compact-45-ACP/productinfo/651/. Just trying to save $40 if I can. My factory spring is starting to show a little age after approximately 1k rounds. I have had 1 or 2 spent cases hit me in the forehead and had 1 ftf when returning it to battery the proper way when inserting a mag after doing some dry draw drills. I'm actually surprised it has last this long with just this. Kimber rates the factory spring to be replaced every 600 rounds.
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Old 06-28-2015, 12:08 AM   #2
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Sounds like you are due for a new recoil spring anyway, but the problem might well be extractor tension. I got a Weigand kit with a brass tab that you slip under the extractor, and a tool that adds tension to the extractor if need be. You can always bend it backwards to add tension, doing a little at a time and checking to see if tension has increased.
Patrick Sweeney explains extractor tension and the cures in his book "Gunsmithing Pistols and Revolvers". In the chapter "Basic Pistolsmithing the 1911", pages 264-265 he talks about extractor tension. An extractor is a spring, and should be made out of good spring steel, some aren't and should be avoided. A Bar-Sto extractor is one that is made out of proper spring steel.
A 22 lb. spring is pretty stiff, a standard spring for hardball is 16 lbs. If you shoot a lot of +P you could go 18 or a bit higher.
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Old 06-28-2015, 12:16 AM   #3
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Well mine is a 4 inch barrel and i know they run heavier springs due to the reduced travel for the same load a 5 inch deals with. And I figure Wilson Combat knows what they are talking about when it comes to this stuff. As far as the extractor goes it is a possiblity but it has done these since the spring became due for a replacement. And its not an every time deal only like twice with the spent casings and once with the battery return issue.
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Old 06-28-2015, 12:23 AM   #4
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And I may look into a new stainless Wilson Combat extractor as well. With it being only $35 if I can get just the recoil spring then I would be happy.
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Old 06-28-2015, 12:41 AM   #5
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Mine is also a 4 inch (Kimber CDP Pro) and it does have a much stiffer spring than a stock 5 inch. It also has a bull barrel that is bushingless. I think the heavier spring and bull barrel helps control the recoil in the alloy framed gun. My CDP is very light to carry but doesn't seem to kick any more than full size steel guns of mine or my friends.
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Old 06-28-2015, 01:28 AM   #6
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Same here. Mine is the Pro Carry without a few of the factory refinements of yours. Although I have added a few of my own refinements.
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Old 06-28-2015, 01:31 AM   #7
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Apparently with the Wilson Combat kit it is supposed to reduce felt recoil as well which isn't as big of an issue to me as the spring lasting longer than a few hundred rounds.
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Old 06-28-2015, 01:32 AM   #8
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And with the alloy frame it makes carrying a 1911 real nice. Mine with an empty mag I believe is around 29-30 ounces.
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Old 06-28-2015, 09:19 AM   #9
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The job of the recoil spring is to return the slide to battery.

Felt recoil is a combination of recoil and main springs.

The slide has to overcome the cocking of the hammer (which absorbs some recoil energy) without having too much residual energy to damage the frame.

If the book says 600 rounds, then why try to go more than that? If your car manual says change the oil every 3000 miles, do you try to stretch that to 5000?
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Old 06-28-2015, 10:39 AM   #10
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I just hadn't had the chance to get a new one and was still trying to determine what route to take. But I went and ordered the Wilson combat kit tonight.
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