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Reloading Berger Bullets


Something weird going on here...

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Unread 04-30-2008, 12:10 AM
Platinum Member
Join Date: Oct 2007
Posts: 1,190
I am a little confused, as usual. If you are loading for a 300 win and your dies aren't set up right and , say, you are bumping the shoulder back too far, that shouldn't affect head space what so ever. Belted rounds are designed to head space off of the belt. I neck size only on all of my hunting guns, so I head space off of the shoulder, so after the first firing the belt is useless to me. If the brass had been fired in that gun I can't see how it is possible that the brass could be too long. What I have seen on three different factory guns is the chambers are reamed "out of round". On two of them, the chamber was wider on the north south axis than on the east - west. So, the only way the rounds would fit was if they were rechamberd the same way that they were fired. I could make them fit if I rotated the brass until it fit. I never had a chamber cast made, but it was plain as day what the problem was when I measured fired rounds. I tried to fix the problem by FL sizing the brass, but that didn't work. The brass was bad right from the belt and I couldn't iron it out. The funny thing was that Remington didn't have a clue....after three months with the guns, they sent them back with two of their own new brass, which they had fired in the gun. "No problem found. Gun shoots fine". I called them and tried to re-explain the problem and that the brass that they sent back would only fit in the gun when rotated to a certain point. They just couldn't grasp the concept...."but.....the gun shot fine, our ammo chambered w/o any problem, we can't help you" :confused: :mad:

So, try that. Measure your once fired brass, before you run it through your press. Or try and re-chamber the brass at the range. If it chambers rotate it 90 degrees and try it again.

Now if this is a gun that you have had for a while, and the problem just mysteriously started....well....then.......a......NEVER MIND:o
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Unread 05-01-2008, 01:17 PM
Platinum Member
Join Date: Oct 2007
Posts: 1,190
What happend

Just curious if you ever cleared up your little mystery????
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Unread 05-03-2008, 09:26 PM
Junior Member
Join Date: Dec 2004
Location: Arkansas
Posts: 25
The several times I have seen this problem, the solution has been very simple. Try raising your seating die up a little. You should feel no sudden increase in pressure at the bottom of your stroke seating the bullet. As a general rule you will need a space about the width of a nickle between the case holder and the base of your seating die (with no case in the shelll holder) at the bottom on your stroke. When you have the seating die set to low it can deform the shoulder of your case and this may not be corrected by resizing. Since you changed bullets before the problem showed up increases the odds that this is your problem.
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Unread 05-04-2008, 04:37 PM
Bronze Member
Join Date: Jan 2008
Posts: 41
I've had the issue yellowjacket speaks of, caused by too great of case tension when seating bullets, resuting from a buildup of copper in the sizing die that needs polished out. On my brass, a ridge was formed where the shoulder meets the body, it's barely detectable, but has caused me a few headaches. It can also be caused by the 'seating button' in the seating die having some kind of bur and not wanting to travel up, causing the illusion of an overabundance of neck tension.
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Unread 05-05-2008, 06:08 AM
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Join Date: Mar 2008
Location: Alabama
Posts: 66
Originally Posted by KQguy View Post
Are you using a headspace guage when resizing your brass?Try bumping the shoulder back a little more and see what happens.

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Unread 05-06-2008, 10:07 PM
Platinum Member
Join Date: Oct 2007
Posts: 1,190 on with the seating die. I had that problem once, about 15 years ago. A guy learns his lesson in a big hurry after loading 100 rounds. Carefully weighing each powder charge. :mad::mad::mad: Good thing I wasn't on a hunting trip somewhere. It was bad enough pulling 100 bullets:o.

Anyone ever run across an "out of round" chamber??
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