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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM reloading and chambering problems
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<blockquote data-quote="vancewalker007" data-source="post: 2050735" data-attributes="member: 66917"><p>First off don't mix cases from different manufacturers when reloading. Brass varies in thickness and can cause crazy pressure changes. Reloading is fraught with enough issues without injecting them right off the bat. If those used cases were not from your rifle you may not be able to even resize them to fit anyway.</p><p></p><p>Your pressure issue could be some hot (for your rifle's chamber) factory loads. It happens, a lot lately seemingly.</p><p></p><p>Your cleaning might have left some fluid in the gun and that combined with marginally hot loads = heavy bolt etc.</p><p></p><p>Your chamber neck or head space might be a little tighter than SAAMI since its a custom. If you continue to have issues with other factory loads you have the chamber casted to check these dimensions.</p><p></p><p>When working up your hand loads start low and work up slowly like in 0.2gr increments watching for pressure issues. Try to use powders that are less temp sensitive since it looks like this rifle might have a lower pressure max to minimize issues in the future.</p></blockquote><p></p>
[QUOTE="vancewalker007, post: 2050735, member: 66917"] First off don't mix cases from different manufacturers when reloading. Brass varies in thickness and can cause crazy pressure changes. Reloading is fraught with enough issues without injecting them right off the bat. If those used cases were not from your rifle you may not be able to even resize them to fit anyway. Your pressure issue could be some hot (for your rifle's chamber) factory loads. It happens, a lot lately seemingly. Your cleaning might have left some fluid in the gun and that combined with marginally hot loads = heavy bolt etc. Your chamber neck or head space might be a little tighter than SAAMI since its a custom. If you continue to have issues with other factory loads you have the chamber casted to check these dimensions. When working up your hand loads start low and work up slowly like in 0.2gr increments watching for pressure issues. Try to use powders that are less temp sensitive since it looks like this rifle might have a lower pressure max to minimize issues in the future. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM reloading and chambering problems
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