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Rifles, Reloading, Optics, Equipment
Reloading
Cratered primers in 300 wsm
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<blockquote data-quote="Outlaw6.0" data-source="post: 630784" data-attributes="member: 23486"><p>A velocity measurement would be beneficial, the mid sixties in weight sounds a pretty HOT.gun) IIRC one of the most widely used loads for the 300 WSM & RL-17 is 68.0grns... with a bullet in the <u>168-180</u> range (can't remember which)I am shooting a Lazzeroni Patriot, which is nearly identical in capacity, i'm running 67.0 grns with a 168TTSX. It is as hot as I intend to go, with noticably sticky bolt above 67.5grns. I'd say you have to be reaching your pressure ceiling, but that is long on speculation & short on fact<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p> </p><p>Flattening primers is a good reasonable identifier of pressure... but not always. What about bolt stick? Case Measurements? Primer pocket life? Any ejector marks? Etc...</p><p> </p><p>Access to a chrony would be helpful....gun)</p><p> </p><p>Edit: Looking again, you stated cratering... are you seeing that too? Or just the flattening?</p></blockquote><p></p>
[QUOTE="Outlaw6.0, post: 630784, member: 23486"] A velocity measurement would be beneficial, the mid sixties in weight sounds a pretty HOT.gun) IIRC one of the most widely used loads for the 300 WSM & RL-17 is 68.0grns... with a bullet in the [U]168-180[/U] range (can't remember which)I am shooting a Lazzeroni Patriot, which is nearly identical in capacity, i'm running 67.0 grns with a 168TTSX. It is as hot as I intend to go, with noticably sticky bolt above 67.5grns. I'd say you have to be reaching your pressure ceiling, but that is long on speculation & short on fact:D Flattening primers is a good reasonable identifier of pressure... but not always. What about bolt stick? Case Measurements? Primer pocket life? Any ejector marks? Etc... Access to a chrony would be helpful....gun) Edit: Looking again, you stated cratering... are you seeing that too? Or just the flattening? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cratered primers in 300 wsm
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