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need help with 7mm belted cases

 
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  #1  
Old 08-08-2011, 10:53 PM
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Join Date: Feb 2011
Posts: 29
need help with 7mm belted cases

I need the help of you knowledgeable reloaders please. I shoot a Rem mag 7mm sendero and am reloading . I am new to the belted cases and want to know how I should go about setting up my resizing die to properly form the brass for longest life and best accuracy? I am running a LEE challenger single die press with a lee resizing decapper die. Do I run the brass all the way in or do i just do the neck so I don't bulge the brass above the belt?
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  #2  
Old 08-08-2011, 11:18 PM
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Join Date: May 2007
Location: California
Posts: 458
Re: need help with 7mm belted cases

Full length, but check this out:

Innovative Technologies - Reloading Equipment
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  #3  
Old 08-08-2011, 11:19 PM
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Join Date: Sep 2009
Posts: 158
Re: need help with 7mm belted cases

size them so you have adequate neck tension and will still chamber..never used Lee dies before..someone will chime in.
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Old 08-09-2011, 05:09 AM
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Location: clearfield county , Pa
Posts: 626
Re: need help with 7mm belted cases

resize these belted cases just like any other case . just set your resizing die up to push the shoulder back .002 or .003 . I've never seen the need for the innovative belted case die shown in the one post above . Jim
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  #5  
Old 08-09-2011, 09:04 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,440
Re: need help with 7mm belted cases

There are many different opinions on sizing belted cases and they all have merit because of
different needs.

When loading for dangerous game = Full length size and try chambering each round (Safely)
before going hunting.

For normal hunting size only enough to chamber easy.

For the best accuracy and brass life neck size only and leave a small donut at the base of the
neck to center the neck better in the chamber and work the brass the least.

This is the way I size belted cases and it works well for me in all uses.

J E CUSTOM
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"PRESS ON"

Last edited by J E Custom; 08-09-2011 at 12:35 PM.
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  #6  
Old 08-09-2011, 05:10 PM
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Join Date: Oct 2007
Location: Mountians of SW NC, near Asheville
Posts: 1,596
Re: need help with 7mm belted cases

I've sized all bottle neck cases the same, rimmed, rimless and belted, for over fourty years; make 'em fit at the shoulder and you're done.
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  #7  
Old 08-09-2011, 07:20 PM
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Join Date: Sep 2009
Location: Cheraw S.C.
Posts: 285
Re: need help with 7mm belted cases

OK just as most have said,resize them to fit the chamber again.and with the Lee doe all you will need to do is this.

just run the die in to touch the shell holder.then lub a case to try it.while looking at the case after running it through the die look for a slight ring arould the shoulder.if not their then turn the die in about 1/8 more.now run the case again.look for the slight ring again.do this till the ring appears on the shoulder.it should even have a little dot with the ring around the shoulder.this dot will be from the blow by hole drilled into the die for letting the compresed air out of the die.

I load with Lee dies and have found this ring to appear on all of my brass.but when the die is adjusted like the directions it will be or show up better.but when the die has been adjusted as said it just means the die is now just bumping the shoulder.but check the case when you think the die is at the sweet spot for just bumping the shoulder back.I even like to take apart my bolt to really feel the case when trying the brass.or to see the bolt fall on its own when testing a resized case the way I mentioned.htis has never failed me yet.but only do it when needed.say after every 4th fireing sine I like to use the Lee collet die with all of my reloading.even for my 300wm belted case.
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