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Rifles, Reloading, Optics, Equipment
Reloading
7 mag brass problem
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<blockquote data-quote="Wild_Bill" data-source="post: 1545040" data-attributes="member: 4785"><p>Hi ive just read through all the replies.</p><p></p><p>1st there is an issue with either barrel fitment and headspace</p><p>2nd chamber dimentions</p><p>or 3rd die undersize.</p><p></p><p>So please dont just go buying the larywills die until you fix the underlying issue.</p><p>If you have a new unfired Win case set your headspace off it instead of the headspace guages. Take your firing pin assembly out before you do it if its loaded ammo.</p><p>This should allow you to set the barrel back further so the belt of the actual cases you are using wont have clearence in the belt groove.</p><p>The headspace for a belted mag is sometimes a lot more generous than is required with the brass. And as you have a Savage you can adjust it out.</p><p>This should allow you to size the case by pushing the shoulder back .002" max as if it was a non belted case.</p><p>Also remember Win brass is always undersize at the case head so they will look like they are bulged in a max size chamber.</p><p>2nd try to obtain another full length sizing die just to compare to your die. If you set the headspace to Minimum on the Win cases and with 2 different brand cases you get a burr forming as you size the cases it could be an oversized chamber. That will lead to case seperations.</p><p>The larywills die is helpfull to use occasionaly if you are getting cases sticking on the case head. That is not your problem at this stage and it wont fix the issues your having only mask the problems until you get seperations. The Forster Co Ax is an amasing press and switching the shell holders around wint work as the other side is to small.</p><p></p><p>Please try this when we build belted mags we always try to shorten the headspace to suit the actual cases being used its the same thing we do with rimmed cases.</p><p></p><p>Hope this helps</p><p></p><p>Cheers Bill</p></blockquote><p></p>
[QUOTE="Wild_Bill, post: 1545040, member: 4785"] Hi ive just read through all the replies. 1st there is an issue with either barrel fitment and headspace 2nd chamber dimentions or 3rd die undersize. So please dont just go buying the larywills die until you fix the underlying issue. If you have a new unfired Win case set your headspace off it instead of the headspace guages. Take your firing pin assembly out before you do it if its loaded ammo. This should allow you to set the barrel back further so the belt of the actual cases you are using wont have clearence in the belt groove. The headspace for a belted mag is sometimes a lot more generous than is required with the brass. And as you have a Savage you can adjust it out. This should allow you to size the case by pushing the shoulder back .002" max as if it was a non belted case. Also remember Win brass is always undersize at the case head so they will look like they are bulged in a max size chamber. 2nd try to obtain another full length sizing die just to compare to your die. If you set the headspace to Minimum on the Win cases and with 2 different brand cases you get a burr forming as you size the cases it could be an oversized chamber. That will lead to case seperations. The larywills die is helpfull to use occasionaly if you are getting cases sticking on the case head. That is not your problem at this stage and it wont fix the issues your having only mask the problems until you get seperations. The Forster Co Ax is an amasing press and switching the shell holders around wint work as the other side is to small. Please try this when we build belted mags we always try to shorten the headspace to suit the actual cases being used its the same thing we do with rimmed cases. Hope this helps Cheers Bill [/QUOTE]
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Reloading
7 mag brass problem
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