Kimber Stainless II 1911 9mm-dinging brass - Kimber Forum

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Old 07-01-2014, 05:16 AM   #1
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Kimber Stainless II 1911 9mm-dinging brass

I am new to the forum and this is my first Kimber and I love it. However for approx. every 100 rounds I am getting 2-3 pieces of brass that look like this. I load my own and am using an Xtreme Plated 124gr Hollow Point on top of 4.4gr of Win 231 with a OAL of 1.045. Any ideas what could be causing this?

Thanks,
Geo
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Old 07-01-2014, 08:20 AM   #2
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Welcome to the forum from Colorado!

We have a 1911 Sig C3 that does that to all of it's brass. A gunsmith told us to keep breaking it in & it should resolve. He recommended we bring it back if it's still happening after 1000 rounds. Definitely frustrating to deal with when you're trying to reload!
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Old 07-01-2014, 08:42 AM   #3
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Welcome to the forum from Ohio!!
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Old 07-01-2014, 08:55 AM   #4
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I have not clue why this is happening to the brass. But welcome, from the free State of Georgia.
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Old 07-01-2014, 10:28 AM   #5
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Welcome George is that a FTE? is your Kimber broken in yet?
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Old 07-01-2014, 10:35 AM   #6
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Another welcome from Ohio.
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Old 07-01-2014, 10:42 AM   #7
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Welcome to the forum from northern Illinois GEO1911.
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Old 07-01-2014, 11:11 AM   #8
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Originally Posted by GEO1911 View Post
I am new to the forum and this is my first Kimber and I love it. However for approx. every 100 rounds I am getting 2-3 pieces of brass that look like this. I load my own and am using an Xtreme Plated 124gr Hollow Point on top of 4.4gr of Win 231 with a OAL of 1.045. Any ideas what could be causing this?

Thanks,
Geo
Is that a successfully extracted and ejected case? As opposed to a case that had some form of stoppage/malfunction.
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Old 07-01-2014, 10:53 PM   #9
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Wink Hey Ya'll!

Welcome to the forum from beautiful downtown Monroe, Georgia!!!!
wave.gif wave.gif wave.gif
Monroe Police Car.jpg

Well, about your dinged brass: According to Winchester's reloading data, 4.4 grains of 231 behind a 124 grain 9mm bullet is a maximum load (to be worked up to very cautiously). That being the case, your slide is kicking back so quickly that the extracted cartridge casing is being wrenched into a spin by the ejector and the case is striking the side of the slide, thus the slide is denting the case!!! doh.gif doh.gif

Take the advice of an OLD reloader: All loads do not need to be maximum!! In fact most loads that are a tad short of maximum are much more accurate. (This is a disease common to new reloaders known as "Magnumitis" or "More's Law--if a little is good, more's better!!") Try backing off to around 4.0 grains and you will discover that your shooting accuracy has suddenly improved and your brass is no longer dinged up!! I'm just sayin'.....
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Last edited by Lineman; 07-07-2014 at 09:45 PM.
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Old 07-02-2014, 04:51 AM   #10
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Thanks for the warm welcome. To the best of my ability to remember they we not fully ejected. I will try backing down the load and see what happens. Thanks for your help.
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