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Hunting
The Basics, Starting Out
Little help please
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<blockquote data-quote="Fiftydriver" data-source="post: 56441" data-attributes="member: 10"><p>I agree with the above posts.</p><p></p><p>Also, just screwing the die down to touch the shell holder may not be enough as when there is a case in the shell holder, the compression of the system will be severl thousandths.</p><p></p><p>Most of my rifles are cut to very min specs. In rifles like this, many times a conventional sizing die will just barely bump the shoulder. TO get the most sizing out of your die screw the die down hard against the empty shell holder and then lower the ram and insert a lubed case and raise the ram to its top position. Where the die was touching the shellholder before, there will be a significant gap now. </p><p></p><p>Lower the ram just enough to take the pressure off and screw teh die down 1/8 turn and then raise the ram again and see how much of the gap was taken up.</p><p></p><p>Do this until your cases fit in your chamber. If you reach the absolute bottom of the sizing length, take the die to your local gunsmith or machinest and have 0.020" cut off the base of the die. </p><p></p><p>I highly recommend doing this in a Lathe to insure a square cut.</p><p></p><p>0.020" should not remove the bevel at the mouth of the sizing die but be sure that if it does or there is a sharp edge anywhere that it is polished smooth before using.</p><p></p><p>From the sounds of your set up this will probably not be needed. Be sure to watch and make sure you only size what you need. We do not want to open up the headspace on the case and get case stretching problems.</p><p></p><p>Turn it down 1/8 turn, size and chamber, follow until the case just chambers and then generally another 1/8" turn will have you set up right for big game factory rifles.</p><p></p><p>Good Shooting!!!</p><p></p><p>Kirby Allen (50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 56441, member: 10"] I agree with the above posts. Also, just screwing the die down to touch the shell holder may not be enough as when there is a case in the shell holder, the compression of the system will be severl thousandths. Most of my rifles are cut to very min specs. In rifles like this, many times a conventional sizing die will just barely bump the shoulder. TO get the most sizing out of your die screw the die down hard against the empty shell holder and then lower the ram and insert a lubed case and raise the ram to its top position. Where the die was touching the shellholder before, there will be a significant gap now. Lower the ram just enough to take the pressure off and screw teh die down 1/8 turn and then raise the ram again and see how much of the gap was taken up. Do this until your cases fit in your chamber. If you reach the absolute bottom of the sizing length, take the die to your local gunsmith or machinest and have 0.020" cut off the base of the die. I highly recommend doing this in a Lathe to insure a square cut. 0.020" should not remove the bevel at the mouth of the sizing die but be sure that if it does or there is a sharp edge anywhere that it is polished smooth before using. From the sounds of your set up this will probably not be needed. Be sure to watch and make sure you only size what you need. We do not want to open up the headspace on the case and get case stretching problems. Turn it down 1/8 turn, size and chamber, follow until the case just chambers and then generally another 1/8" turn will have you set up right for big game factory rifles. Good Shooting!!! Kirby Allen (50) [/QUOTE]
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