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First major boo boo

 
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  #15  
Old 08-22-2011, 05:14 AM
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Join Date: Feb 2011
Location: Prince George B.C.
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Re: First major boo boo

Quote:
Originally Posted by HARPERC View Post
I'll keep watching hoping you find it, maybe it will be obvious to someone and they will kick in. So far I haven't told you anything you don't know, and I'm at the end of my meager skill set.
I hope you find it in a hurry I know some bear units open about this time, and the others real soon. Good luck
Still have a lot of sausages in the freezer from my spring bear this year so no biggie there, they actually opened up on the 15th of August here. My bull moose draw starts on the 10th of sept. though so I'm kind of hoping to get this sorted by then. I have other guns I can use if needed but have the most amount of time behind this one and feel the most comfortable with it.
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  #16  
Old 08-22-2011, 05:44 PM
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Join Date: Apr 2010
Location: NW Mt.
Posts: 600
Re: First major boo boo

I can tell you how I screwed up the 22-250 brass. I used a different shell holder in the
press.
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  #17  
Old 08-22-2011, 07:30 PM
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Join Date: Jan 2010
Location: NC mountains
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Re: First major boo boo

I would like to know your answer myself. It seems like an excess headspace situation, but it will be interesting to hear what you find.
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  #18  
Old 08-22-2011, 09:54 PM
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Join Date: Aug 2009
Location: Grand Forks, ND
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Re: First major boo boo

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Originally Posted by bman73 View Post
Okay so I have now backed off my die, took one of the .338 brass I have laying around that had already been through this gun 2x now, used a candle to soot the neck and ran it through the press. It looks okay to me but I also thought it was okay before as well. Here is a pic of what I ended up with, let me know if it looks like I might still be going to far with it or should I give it a try at this depth?

Looks good to me. How do your primers look? The same as before? Assuming you didn't blow any primers or flatten them, and you said it came out of the same bottle, I wouldn't be concerned about the powder. Primers shouldn't matter ether.

It does look like an excessive head space issue, that's why I asked about the action before. Even if you do have excess head space, by sizing the cases as you just did in the picture, you shouldn't have the case seperation problems anymore. All your new brass will be fire formed again to the chamber size. During new case forming keeping the bullets seated in the lands or right next to them when forming will help with your case seperation too, and it won't be an issue being that you hand load. Only thing might be with that mauser you can usually get quite a few neck sizing reloads if you are not running too hot before you need to FL, or partial FL size.

The one thing though, is if it is an excess head space issue, why all the sudden? Might be something you should have checked out! Have you run hotter loads than before in your last batch?

I have a .308 Norma and have used the .338 WM brass with great success. I don't like the short neck from the .338, but it's a heck of a lot cheaper than the Norma cases.

Here's my .338 transformation photo. left to right, with furthest right being a Norma case.
Attached Thumbnails - Click to View Larger
First major boo boo-img_2520-medium-.jpg  

Last edited by spitfire_er; 08-23-2011 at 11:20 PM.
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  #19  
Old 08-22-2011, 10:50 PM
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Join Date: Apr 2010
Location: NW Mt.
Posts: 600
Re: First major boo boo

You back your load down all you want, you are still going to stretch the brass and take
a bunch of life out of it. But hey, ignore what I told you. It's only been used 1000's
of times by us old timers.
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  #20  
Old 08-22-2011, 11:04 PM
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Join Date: Aug 2009
Location: Grand Forks, ND
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Re: First major boo boo

Quote:
Originally Posted by Loner View Post
You can size the neck up to .35 or 375 with a ball expander and then resize, head spacing
off the ring you leave near the bottom of the neck. I've done it with 22-250 brass and
it worked fine. I used a 6mm ball expander.

Essentially what my picture above is showing, minus the initial expanding by using an already larger neck.

This solves the problem, but we don't know 100% what caused the problem.

I guess another thing, Is it possible that you had excessive head space to begin with and someone bumped your die, or messed with it and you are now just seeing the problem?

Just throwing out thoughts!
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  #21  
Old 08-23-2011, 02:50 AM
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Join Date: Feb 2011
Location: Prince George B.C.
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Re: First major boo boo

Quote:
Originally Posted by spitfire_er View Post
Looks good to me. How do your primers look? The same as before? Assuming you didn't blow any primers or flatten them, and you said it came out of the same bottle, I wouldn't be concerned about the powder. Primers shouldn't matter ether.

It does look like an excessive head space issue, that's why I asked about the action before. Even if you do have excess head space, by sizing the cases as you just did in the picture, you shouldn't have the case seperation problems anymore. All your new brass will be fire formed again to the chamber size. During new case forming keeping the bullets seated in the lands or right next to them when forming will help with your case seperation too, and it won't be an issue being that you hand load. Only thing might be with that mauser you can usually get quite a few neck sizing reloads if you are not running too hot before you need to FL, or partial FL size.

The one thing though, is if it is an excess head space issue, why all the sudden? Might be something you should have checked out! Have you run hotter loads than before in your last batch?

I have a .308 Norma and have used the .338 WM brass with great success. I don't like the short neck from the .338, but it's a heck of a lot cheaper than the Norma cases.

Here's my .338 transformation photo. left to right, with furthest right being a Norma case.
pictures did not show up, I have run a hotter load in the past but not very many of them, less than 25 I would have to guess, of 250 grain grandslams at about 3100 fps. They never showed any pressure signs at all either, even the cases that seperated didn't even flatten the primers. I am beginning to wonder if the gun has always had a headspace issue and just never showed up before as I have just recently really started shooting it a lot again and doing my own reloadingmore often. The guy who was doing my reloading was neck sizing only and I have been FL sizing only. I only have a full length sizer at this point, will be getting a neck sizer soon, just ordered one today.
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