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Rifles, Reloading, Optics, Equipment
Reloading
Picked my Seater die, which FL or Neck die?
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<blockquote data-quote="nosualc" data-source="post: 1041862" data-attributes="member: 19537"><p>+1 on an FL bushing die, for a bunch of reasons.</p><p></p><p>Each time you fire a case, it expands to fill your chamber. The body expands, the neck expands, the case will become longer from base to shoulder. Nobody will debate this.</p><p></p><p>1) A neck die only resizes the neck. It doesn't size the body or bump the shoulder. Fire your cases enough and the cases will expand enough in the other dimensions to cause you problems (hard chambering, the dread bolt lift 'click', etc.) Eventually you will need to correct this with a FL die, body die and or bump die.</p><p></p><p>2) Maximum accuracy is the result of maximum consistency. You want every loaded cartridge to be a close to one another as possible. If you are only sizing the neck, each cartridge will have an indeterminate size in the body and head to shoulder dimension. Accuracy will suffer.</p><p></p><p>If you doubt this, shoot some tight chambering cases next to some properly fitting cases, at a significant range with everything else equal. The tight cases will POI higher than the others.</p><p></p><p>Using a properly set up FL die (few really know how to do this correctly), every time, is better because it's one stop shopping. No need for special dies, no every 3rd cartridge chambers hard mysteries, etc. Your cases will be as close as they can be each and every time. Your accuracy will also improve.</p><p></p><p>The downside to FL dies has always been that they size too much which hurts brass life, and they bend case necks.</p><p></p><p>1) The instructions that come with FL dies are for beginners. The proper way to determine how far to turn down an FL die is by closely fitting the amount of sizing to your specific rifle.</p><p></p><p>2) They tend to size necks way too much. This is remedied by using a bushing die. You can pick how much to size your necks. You can even tune with this.</p><p></p><p>3) With a FL bushing die, the expander button (a large source of concentricity issues) should be removed. No sense expanding a neck that you just carefully sized.</p><p></p><p>One further thought: Neck sizing dies were all the vogue in competitive shooting years ago. Competitive shooters, especially long range competitors have almost unanimously evolved to FL sizing.</p><p></p><p>-nosualc</p></blockquote><p></p>
[QUOTE="nosualc, post: 1041862, member: 19537"] +1 on an FL bushing die, for a bunch of reasons. Each time you fire a case, it expands to fill your chamber. The body expands, the neck expands, the case will become longer from base to shoulder. Nobody will debate this. 1) A neck die only resizes the neck. It doesn't size the body or bump the shoulder. Fire your cases enough and the cases will expand enough in the other dimensions to cause you problems (hard chambering, the dread bolt lift 'click', etc.) Eventually you will need to correct this with a FL die, body die and or bump die. 2) Maximum accuracy is the result of maximum consistency. You want every loaded cartridge to be a close to one another as possible. If you are only sizing the neck, each cartridge will have an indeterminate size in the body and head to shoulder dimension. Accuracy will suffer. If you doubt this, shoot some tight chambering cases next to some properly fitting cases, at a significant range with everything else equal. The tight cases will POI higher than the others. Using a properly set up FL die (few really know how to do this correctly), every time, is better because it's one stop shopping. No need for special dies, no every 3rd cartridge chambers hard mysteries, etc. Your cases will be as close as they can be each and every time. Your accuracy will also improve. The downside to FL dies has always been that they size too much which hurts brass life, and they bend case necks. 1) The instructions that come with FL dies are for beginners. The proper way to determine how far to turn down an FL die is by closely fitting the amount of sizing to your specific rifle. 2) They tend to size necks way too much. This is remedied by using a bushing die. You can pick how much to size your necks. You can even tune with this. 3) With a FL bushing die, the expander button (a large source of concentricity issues) should be removed. No sense expanding a neck that you just carefully sized. One further thought: Neck sizing dies were all the vogue in competitive shooting years ago. Competitive shooters, especially long range competitors have almost unanimously evolved to FL sizing. -nosualc [/QUOTE]
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Picked my Seater die, which FL or Neck die?
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