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Rifles, Reloading, Optics, Equipment
Reloading
Too much pressure in the 300 RUM?
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<blockquote data-quote="3sixbits" data-source="post: 67072" data-attributes="member: 3661"><p>Alucard: The best way to check for pressure for most of us is by case head expansion. Primers are a vary poor indicator of pressure and can not be relied on. Bolt lift is a good indicator as long as you can remember how the bolt closed before firing ie. high primer? Flattened primers, was the shoulder pushed back when you sized? Neck clearance with bullet seated this changes as the necks thicken with firings and with varying bullet dia. This is why the best way I know of is to go by case head expansion. This is a vary good way to eliminate lots of variables. What may be a safe load in your barrel might take another rifle apart. /ubbthreads/images/graemlins/wink.gif</p></blockquote><p></p>
[QUOTE="3sixbits, post: 67072, member: 3661"] Alucard: The best way to check for pressure for most of us is by case head expansion. Primers are a vary poor indicator of pressure and can not be relied on. Bolt lift is a good indicator as long as you can remember how the bolt closed before firing ie. high primer? Flattened primers, was the shoulder pushed back when you sized? Neck clearance with bullet seated this changes as the necks thicken with firings and with varying bullet dia. This is why the best way I know of is to go by case head expansion. This is a vary good way to eliminate lots of variables. What may be a safe load in your barrel might take another rifle apart. [img]/ubbthreads/images/graemlins/wink.gif[/img] [/QUOTE]
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Reloading
Too much pressure in the 300 RUM?
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