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Rifles, Reloading, Optics, Equipment
Reloading
Hidden Pressure Reading: A Method
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<blockquote data-quote="VinceMule" data-source="post: 2875444" data-attributes="member: 122164"><p>I pay little attention to primers, also Magnum. You may have misunderstood my A Men. I take notice that as the pressure goes up, the cups first loose their roundness on the edges, then start to get a little more defined squareness, then start to fill out a flat on top. They may take on the surface finish of the bolt face on the top end. where flat as a pancake.</p><p></p><p>Some primer flow into the firing pinhole is an indication of an oversize firing pin hole, only. I had a 257 Weatherby in a model 70 custom that showed extremes in primer flow and I just ignored it, never blanking a primer with R#22.</p></blockquote><p></p>
[QUOTE="VinceMule, post: 2875444, member: 122164"] I pay little attention to primers, also Magnum. You may have misunderstood my A Men. I take notice that as the pressure goes up, the cups first loose their roundness on the edges, then start to get a little more defined squareness, then start to fill out a flat on top. They may take on the surface finish of the bolt face on the top end. where flat as a pancake. Some primer flow into the firing pinhole is an indication of an oversize firing pin hole, only. I had a 257 Weatherby in a model 70 custom that showed extremes in primer flow and I just ignored it, never blanking a primer with R#22. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Hidden Pressure Reading: A Method
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