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Reloading Berger Bullets


? for you guys who mees with alot of wildcats

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Unread 06-04-2007, 11:07 AM
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Join Date: Mar 2006
Posts: 180
Re: ? for you guys who mees with alot of wildcats

In making 6.5-300 Weatherby cases from .300 Weatherby's, I had to neck from .30 to 7mm to 6.5. I initially had some neck distortion problems of several types, but finally got tuned in.

It is critical to have an even coat of good lube on the neck. I had substantially more uniform results if I trimmed (squared) and chamfered my .300 Wby brass prior to running it through my first neck-down, and again before going from 7mm to 6.5. This allows the neck to enter the die evenly, resulting in more even sizing pressures.

The beatings will continue until morale improves.
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Unread 06-05-2007, 08:45 PM
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Re: ? for you guys who mees with alot of wildcats

Sounds like you have not fireformed the cases yet. Using cream of wheat and pistol powders it will not matter the condition or appearance of the neck. Just ensure that the case is a jam fit in the chamber ie a bit of force to close the bolt. The case will form to the chamber with a 95% shoulder. Size per usual, trim and chamfer. The next high pressure firing with a bullet will iron out the shoulder.

I would look at using a 260R or 6.5 neck die to just form the secondary shoulder before fire forming if concerned with the die you are using now.

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Unread 06-06-2007, 08:20 PM
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Join Date: Dec 2002
Location: mathias wv
Posts: 987
Re: ? for you guys who mees with alot of wildcats

yes Jerry I've fireformed and reloaded some cases, my cases end up with a .015 thick neck on one side and .012 on the other, without turning any load which pushes a 140 above 3150 fps blows the primer due to the thick necks, The smith who built it swears I shouldn't hafta turn and should be able to comfortably get 3300 fps out of it, and I have gotten a 140 to that speed but afterwards the cases are junk. just trying to get out of neckturning but still get decent velocities, guess I'll have a bushing die made.
Kirby, could I get by with a 6.5/06 bushing die just to neck down virgin cases? or do I need to have one reamed?
BTW, if I fireform with H4831 and a bullet vs. cow, the necks are thinner but still uneven due to the initial neckdown.
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Unread 06-07-2007, 07:25 AM
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Join Date: Nov 2005
Location: Texas
Posts: 226
Re: ? for you guys who mees with alot of wildcats

James , Eshell made a good point. I always square the case before forming it. I have had this problem before try Norma brass. It is a little softer and doesn't spring as much as a harder brass. I make my 25-06 AI out of Norma 270 brass. I first send it through a form and trim die then through a standard 25-06 die then check everything over and then turn the neck very slightly I really don't need to but I want to be sure of the clearance inside is consistent. and uniform. Once the are fire-formed I neck size and occasionally run them through a body die if the get a little tight.
I might add I use the imperial wax lube on the cases as far as I'm concernd it the only choice , it is gooooood stuff.

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