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Dented 45 acp brass

This is a discussion on Dented 45 acp brass within the Reloading forums, part of the Firearm Forum category; Been sorting and cleaning range brass for reloading 45 acp ammunition. A significant amount of the range brass has dents/creases about halfway up the case ...


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Old April 19th, 2017, 08:23 AM   #1
 
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Dented 45 acp brass

Been sorting and cleaning range brass for reloading 45 acp ammunition. A significant amount of the range brass has dents/creases about halfway up the case which I understand is caused by the brass hitting the ejection port. I have discarded all such brass but note on various forums that many people use “dimple dent brass”.

My question is it safe? How much of a dent is OK. I do not feel comfortable with the lateral sharp crease dents so will not use them. Looking for “dented brass” advice from the veteran pistol ammo reloader community.

Would have included photos of “dimples vs. crease” but can not figure out how to import them.



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Old April 19th, 2017, 08:32 AM   #2
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RonHK, Most of the dents will iron out when you size the brass. Even more will iron out when you use your expander dies, and finally when you seat a bullet, there isn't much left from the original dent. The minor amount of dent left after the cartridge has been loaded isn't enough change chamber pressure or velocity more than a very token amount. The cases will fire form to the chamber of your gun and totally remove the dents. This is true for all pistol cartridges but especially for 45 ACP because it's chamber pressure is much lower than a 9mm or 40 S&W.

After a once fired case has been fired a second time, the brass will work harden and make it more resistant to dents.
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Old April 19th, 2017, 09:26 AM   #3
 
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You are tossing a lot of good brass. Dents in 45 acp from the ejection port are normally not bad enough to damage it so badly it can't be used .
My general rule of thumb is if the dinged case will enter the sizing die, without me having to use needle nose pliers or a tool on it to get to go in , then I use it.
The 45 acp is not a high pressure round , so a dent is not cause for tossing.
I guess the best way to describe it is a dent or ding is OK but a sharply creased case , that will not enter the sizing die you might want to discard . If they ente4r the sizing die and emerge with a fairly shallow dent/ding , they are loadable.

I have picked up a lot of 45 acp range brass that has been dented or even stepped on....sometimes the needle nose will salvage them sometimes not .
Gary
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Old April 19th, 2017, 09:31 AM   #4
 
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If I was you, I would not use those dented cases; however, I'm not you and I will gladly take them off your hands! :-)
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Old April 19th, 2017, 03:58 PM   #5
 
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I've reloaded a lot of 45acp with dents. As Iowegan said, things seem to straighten out through the reloading process. For the ones with significant dents, I do check inside the case to make sure they don't go all the way through.
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Old April 20th, 2017, 08:11 AM   #6
 
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Thanks so much for the veteran feedback. Looked at inside of some “deep crease” brass and could see a significant internal ridge so decided not to use those. Dimpled dents and shallow creases I will use.

Shooter next to me last week was producing deep crease brass with his 1911. As he shot 100 rounds the creases got smaller until last two magazines had none. Talking afterwards, he admitted to not having cleaned that gun for almost 1000 rounds, and he used grease. Suspect he had hard grease around the extractor that had to get hot to work properly. Sure would not want to buy that 1911 on the used rack.
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