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Tennessee Gun Owners Forums
Rifles
Case head separation
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<blockquote data-quote="Snowwolfe" data-source="post: 4207987" data-attributes="member: 14220"><p><strong>Re: Case head separation</strong></p><p></p><p></p><p></p><p>While the tool you are recommending may work well so will a simple adjustment of the sizing die. My practice is to leave the bottom of the die above the shell holder by about 1/16th of an inch. Then start with about 5 cases that were fired with stiff loads. I resize them then see if they chamber. If they don't I screw down the die 1/4 turn and try again. This gets repeated until the bolt will close with little resistance.</p><p>There are variations in every chamber cut and in every sizing die due to tolerances and to chambering reamers being new or worn. The important thing is to match the ammo to the rifle with the same set of dies on the same press. Will my suggestions take care of all head spacing issues? NO. But if you want to fine tune your ammo to make sure you can get the most case life possible give it a try.</p></blockquote><p></p>
[QUOTE="Snowwolfe, post: 4207987, member: 14220"] [b]Re: Case head separation[/b] While the tool you are recommending may work well so will a simple adjustment of the sizing die. My practice is to leave the bottom of the die above the shell holder by about 1/16th of an inch. Then start with about 5 cases that were fired with stiff loads. I resize them then see if they chamber. If they don't I screw down the die 1/4 turn and try again. This gets repeated until the bolt will close with little resistance. There are variations in every chamber cut and in every sizing die due to tolerances and to chambering reamers being new or worn. The important thing is to match the ammo to the rifle with the same set of dies on the same press. Will my suggestions take care of all head spacing issues? NO. But if you want to fine tune your ammo to make sure you can get the most case life possible give it a try. [/QUOTE]
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Case head separation
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