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AR15.COM
9/4/2006 8:05:55 PM EDT
Well the last time i shot my gun (Custom II) i started to notice vary small dents on the brass. They are located about 1/4 of the way up the shell from the bottom. Sorry i dont have a digi-cam so im trying to describe it as best i can. The dents are vary small with a slight gouge. They are not large at all and you realy have to look to see it. My gun is still functioning perfectly, this is just a little concerning to me as problems usually start small. Thanks for any help you guys can lend!
9/7/2006 9:19:29 AM EDT
[#1]
The "dents" are most likely caused by the case hitting the edge of the ejection port during case ejection.  Totally normal on all of the .45's I've owned, kimber and others.  Not to worry.
9/7/2006 12:46:41 PM EDT
[#2]
huh thats weird, i never noticed it before...
9/8/2006 3:48:48 AM EDT
[#3]
You can investigate the cause a little further with a simple experiment.  Mark the case with a permanent marker, along the side or on the rim of the case.  Firing one round at a time, orient the case so the mark is at the 12 o'clock position (facing "up" in the magazine) and retrieve the case to see exactly where the dent is produced.  Chances are the dent will be on the side of the case facing the ejection port.  Ejection of the fired case is a violent process and to dent the case, it has to be hitting something.  What else does the case have to hit besides the ground?  

A little investigation may lead you to your desired answer.  I'm not trying to be a jerk and I never claimed to be a forensic expert on dents in brass casings, but the information I've given is worth every penny you paid for it.
9/12/2006 8:22:28 AM EDT
[#4]
height=8
Quoted:
You can investigate the cause a little further with a simple experiment.  Mark the case with a permanent marker, along the side or on the rim of the case.  Firing one round at a time, orient the case so the mark is at the 12 o'clock position (facing "up" in the magazine) and retrieve the case to see exactly where the dent is produced.  Chances are the dent will be on the side of the case facing the ejection port.  Ejection of the fired case is a violent process and to dent the case, it has to be hitting something.  What else does the case have to hit besides the ground?  

A little investigation may lead you to your desired answer.  I'm not trying to be a jerk and I never claimed to be a forensic expert on dents in brass casings, but the information I've given is worth every penny you paid for it.

Dont get me wrong i wasnt trying to discount your statement, i was just saying i hadnt noticed the dents before....
9/12/2006 11:51:06 AM EDT
[#5]
Had a chance to investigate yet?  A range report is requested. The anticipation is killing me.
9/16/2006 10:39:31 PM EDT
[#6]
Well i taled to a few people and showed them some of the brass. I know have quite a few people telling me its just a 1911 quirk perty much and is no need for concern. I just wonder why i never noticed it. Oh and as far as how to get rid of it, just shoot steel cased ammo
9/22/2006 9:18:11 PM EDT
[#7]
I've got a Custom Royal II and I noticed the same exact thing at the range the other day.  Searching Google for the symptom is actually what brought me to these forums.  I fired about 1,000 rounds through the gun before I noticed it myself.  After seeing the dents, I chambered a live round and racked the slide to extract it - no dent.  I came to the same conclusion as the rest of the guys on here as a result: the case is hitting the ejection port during extraction.  Just figured I'd chime in and let you know that it's not a problem with your Kimber.  Probably pisses the reloaders off though
9/23/2006 10:02:03 PM EDT
[#8]
Well a guy over on another board even said that when you realod the brass the preasure will push it back out to normal. I dont know how legit that statement is as i have never re-loaded myself.