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Rifles, Reloading, Optics, Equipment
Reloading
Is this normal when fire forming? See pic.
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<blockquote data-quote="Mikecr" data-source="post: 1218738" data-attributes="member: 1521"><p>Slight cratering in itself is no more to me than normal. </p><p>By the time a primer signals problem pressure, there are other signs confirming.</p><p>Things like ejector marks, case head wiping/difficult bolt turn, popping extraction, primers pierced or falling out of pockets, burned out/blown pockets. I measure web growth, and watch for any of these things, go to and log 'MyMax Pressure' early -before load development. </p><p></p><p>People bush their bolts to mitigate a problem from excess cratering (piercing) usually because of excess pin clearance, and/or they're running and want to continue running stiffer loads.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1218738, member: 1521"] Slight cratering in itself is no more to me than normal. By the time a primer signals problem pressure, there are other signs confirming. Things like ejector marks, case head wiping/difficult bolt turn, popping extraction, primers pierced or falling out of pockets, burned out/blown pockets. I measure web growth, and watch for any of these things, go to and log 'MyMax Pressure' early -before load development. People bush their bolts to mitigate a problem from excess cratering (piercing) usually because of excess pin clearance, and/or they're running and want to continue running stiffer loads. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Is this normal when fire forming? See pic.
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