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Old 09-25-2017, 05:01 PM   #1
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Question for the 1911 experts and afficianados...

What do I have to do to stop this?

Just started at the range yesterday, and only on the first round from the magazine.

Happened 4 times, started on the 4th magazine I loaded.

Shooting Blazer Brass, 230gr. FMJ ball nose, not a fan, but shooting up leftovers from the ammo scare a couple years ago.

Finished that box, and started on a box of Winchester SXS 230gr. FMJ training loads, shaped like hollow points, and no more sticking on the first round being loaded.

Is this a non-issue, or do I need a modification of some sort?

Thinking maybe a Wolff 18.5# spring??



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Old 09-25-2017, 05:39 PM   #2
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An 18.5# spring may force the round through the problem but can cause issues on the other end. The problem
Is a failure to chamber. Fix the problem. The extractor tension is either too tight or there is not enough gap between the breach face and inner claw. Kimber clearance on 45s tends to be .069-.070. I cut them to .075-.078". Wilson Combat per their build sheet inspection is .083". Original prints is .088". Check out the "sticky"
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Old 09-25-2017, 07:01 PM   #3
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In my limited and unscientific experience, I found it was the ammo.

I used both Blazer Brass and Magtech mostly.

I tested with a range expert and we determined that my SA 1911 ROC did NOT like Blazer Brass. It loved the Magtech, no matter the mag or person shooting the gun.

The Blazer worked great in my poly's but not my 1911. That is my experience only.
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Old 09-25-2017, 07:10 PM   #4
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Totally agree with Mike on the spring! IMO I would bump up to a higher quality ammo as kimber strongly suggests. If that dosnt help then it's prob the extracter that can fixed easily
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Old 09-25-2017, 07:18 PM   #5
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How many rounds on are on the gun, Kimber says to replace the recoil spring at 800 rounds. If it is time for replacement I'd suggest you look at a Wilson Combat flat wire recoil spring. They have 10x the life of a conventional round wire spring.
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Old 09-25-2017, 08:05 PM   #6
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Originally Posted by Chuck43 View Post
How many rounds on are on the gun, Kimber says to replace the recoil spring at 800 rounds. If it is time for replacement I'd suggest you look at a Wilson Combat flat wire recoil spring. They have 10x the life of a conventional round wire spring.
Its a 5 " gun....I think Kimber says 2000 rounds...which is still silly. 800 on Ultra is even sillier.

I know many will preach find and feed what ammo your gun will run reliably with but I will disagree all day long. If it is set up and tuned correctly it should not matter.
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Old 09-25-2017, 08:26 PM   #7
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I think your 1911 is on the brink of a catastrophic failure! Send it to me I will pay shipping. I will go through it with a fine tooth comb and ship it back when done with it. No charge!
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Old 09-25-2017, 08:46 PM   #8
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Catastrophic? How so? Please elaborate
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Old 09-26-2017, 04:39 AM   #9
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My Ultra TLE was doing this and I replaced the extractor with a Wilson and got Wolff XP springs. Problem solved. I think it was more of an extractor issue though because my cases sometimes would not load under the extractor.
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Old 09-26-2017, 07:40 AM   #10
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Could it be one bad mag or is with all mags?
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