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Rifles, Reloading, Optics, Equipment
Reloading
How to reduce bullet runout?
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<blockquote data-quote="boomtube" data-source="post: 235952" data-attributes="member: 9215"><p>BR reloading methods are great. For BR rifles. Usually, costing from $2K up. Such methods and tools have little or no value for factory rifles tho. And, for Zoepers request to help him achieve MOA or better, that's a bit of over kill.</p><p> </p><p>An arbor press is a simple divise having a short overhead ram that pushes the case and dies together without use of a shell holder to withdraw it. The press is not threaded so there is no point in threading the dies. These tools avoid any potential misalignment between the dies and press that may be found in a conventional setup.</p><p> </p><p>As one poster said, the dies are best if cut with the same reamers that cut the chamber. The dies usually get cut with the "roughing" reamer which is slightly smaller than the "finishing" reamer used on the rifle itself.</p><p> </p><p>Using all the BR methods and devices may cut 1/8" of an inch off a good rifle's groups with well made ammo. That's lot in BR competition but it doesn't mean much to many hunters, it only changes the radius of error by 1/16" MOA! Using good sizing and seating methods with more conventional dies and presses seems more reasonable for most of us and is much more in keeping with Zoeper's goal of obtaining MOA with his .243 without breaking the bank.</p></blockquote><p></p>
[QUOTE="boomtube, post: 235952, member: 9215"] BR reloading methods are great. For BR rifles. Usually, costing from $2K up. Such methods and tools have little or no value for factory rifles tho. And, for Zoepers request to help him achieve MOA or better, that's a bit of over kill. An arbor press is a simple divise having a short overhead ram that pushes the case and dies together without use of a shell holder to withdraw it. The press is not threaded so there is no point in threading the dies. These tools avoid any potential misalignment between the dies and press that may be found in a conventional setup. As one poster said, the dies are best if cut with the same reamers that cut the chamber. The dies usually get cut with the "roughing" reamer which is slightly smaller than the "finishing" reamer used on the rifle itself. Using all the BR methods and devices may cut 1/8" of an inch off a good rifle's groups with well made ammo. That's lot in BR competition but it doesn't mean much to many hunters, it only changes the radius of error by 1/16" MOA! Using good sizing and seating methods with more conventional dies and presses seems more reasonable for most of us and is much more in keeping with Zoeper's goal of obtaining MOA with his .243 without breaking the bank. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How to reduce bullet runout?
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