New discovery in Ext mag, possible fix - Kimber Forum

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Old 07-28-2016, 09:17 PM   #1
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New discovery in Ext mag, possible fix

I took my extended 8rd mag apart. There was a definite "gummy" feeling to the inside as well as the spring itself. I'd had no problem with it before, but I can see where a good cleaning and spray down with Otis dry lube will make it better.

But... the biggest concern I saw is the spring itself. One end is semi-flat, the other has a sharp angle to it. That angled end must be on the follower and not the bottom of the mag. I wonder if that's what is causing a lot of problems, an inverted spring?

After reassembly, I loaded it with 8 rounds of 124gr Aguila FMJ. That 8th round went in maybe 20% easier. I dropped a round in the tube and went outside to rip off all 9.... first 3 shots were deliberately aimed, the next 3 were 2/1 drill, and the last 3 were rapid fire - no hiccups.

Disassemble, clean, inspect and reassemble your mags, might make a difference.
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Old 07-28-2016, 10:00 PM   #2
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Magazines are often neglected. I'm guilty of this also. Even new magazines can benefit from some attention. Years ago, I had some magazines that were 20+ yo that had never been cleaned. I've yet to purchase new R&R springs, I just keep on banging on them.
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Old 07-29-2016, 05:31 AM   #3
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I keep my carry magazines separate from my range magazines. I clean the carry magazines on a regular basis and only service my range mags when needed. I've been looking at upgrading the springs in my carry mags to the Wilson Combat flat wire springs.
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Old 07-29-2016, 07:40 AM   #4
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Those springs work in a Solo magazine? What differences did they make?
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Old 07-29-2016, 07:54 AM   #5
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Originally Posted by Soloist View Post
Those springs work in a Solo magazine? What differences did they make?
To the best of my knowledge they are available for .45 1911 magazines only.

  • Maximum strength-up to 25% stronger than standard 1911 mag springs for superior reliability with defensive and +P loads and more positive slide lockback .
  • Maximum longevity MAX flatwire spring will never lose optimum feeding tension as long as you own the magazine -guaranteed! Extensively tested by the Wilson Combat Shooting Team and testfire crew.
  • Maximum corrosion resistance-heat treated stainless MAX spring won’t corrode in high humidity or marine environments-a leading cause of service pistol spring fatigue.
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