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Loaders not the same...

 
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  #1  
Old 10-08-2009, 05:38 AM
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Loaders not the same...

I own 5 Dillon loaders and 2 RCBS Rock Chuckers. Last week I was loading on one Dillon 550 with no issues. I switched loaders and did not adjust my dies. The loaders were about .005 different in stroke and I ruined 200 pieces of brass. Just because they look the same, are the same models, and the parts are interchangable they are not the same. Learn from my mistake.
Nat Lambeth
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Old 10-09-2009, 02:50 PM
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Re: Loaders not the same...

Good info. It gets easy to make assumptions in a mode of repetative operations. Its even easier to check and dbl check just to make sure. (sorry for your loss)..
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Old 10-10-2009, 01:39 PM
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Re: Loaders not the same...

Quote:
Originally Posted by Rustystud View Post
I ruined 200 pieces of brass.Nat Lambeth
Just how exactly did you "ruin" the brass. What operation were you preforming, what dies.

Unless your using some specialized dies that will allow you to push the shoulder back to far, there isn't anything I can think of that would constitute ruined brass. Even if the shoulders were set back to far, with a little work that can be fixed.
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Old 10-10-2009, 02:57 PM
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Re: Loaders not the same...

That would not happen with multiple arbor presses.

I also own a RCBS Rockchucker and an RCBS Partner. Dies must always be re-adjusted when switching between them.
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Old 10-10-2009, 03:59 PM
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Re: Loaders not the same...

Steve:

This was Lapua 6mmBR hydraulic formed to 6mmBRX. The shoulders were bumped back about .005 then fired then bumped back again. The web in these cases has stretched thin. I have had 4 case seperations and the rest of the loaded brass has rings around the web.

Steve, I am a licensed (type 6 FFL) comercial reloader. Over the last 50 years I have loaded literally several million rounds. I think I know when brass is ruined.

Nat Lambeth
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Old 10-10-2009, 04:54 PM
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Re: Loaders not the same...

Quote:
Originally Posted by Gene View Post
That would not happen with multiple arbor presses.
LOL!!
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  #7  
Old 10-11-2009, 01:37 PM
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Re: Loaders not the same...

Nat

I wasn't questioning your experience or trying to contradict you in any way. I was simply tring to understand the situation, seeing that you neglected to include the details in your first post.

Having 3 different presses (RCBS Rock Chucker, Ammo master, and Hornady LNL Auto progressive) I am very familiar with having to readjust dies when switching between them, but the worst that can happen is that the shoulder will not get pushed back at all, or the press isn't able to cam over.

But the fact remains that your situation and setup isn't typical. Most full length sizing dies and shell holder combinations will not allow you to set the shoulder back to far, no matter what press you use them in, unless you have modified the die or shell holder or your chamber is atypical.

Now as far as the brass being ruined, I agree it is. But you didn't state that you had fired the brass, let alone sized them multiple times, and there was no mention of case head seperations. I had assumed that you had discovered the fact that the shoulders were set back to far through measurement, and had stopped there. My thinking was that you could simply neck up a few calibers then size back down to the proper dimentions, alot of work but allows you to salvage the brass, but obviously not going to work with your situation.
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