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Rifles, Reloading, Optics, Equipment
Reloading
Case head expansion (CHE), reloader's signs of pressure
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<blockquote data-quote="Trental" data-source="post: 1735578" data-attributes="member: 33874"><p>I've been mulling this over as of late. I am getting ready to start load testing in an improved 338 Lapua Mag that is a single-shot Nesika action with no ejector. It has a solid bolt face with no ejector hole or slot. I won't be able to watch for ejector marks for pressure signs. Only primer flattening (not always reliable), case head expansion (fine for case life estimations), and heavy bolt lift (maybe my best option). I'll be looking for the accuracy node with the highest velocity, otherwise what is the point of the improved chamber <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>In my case I think I am going to have to rely upon the combination of bolt lift and primer deformation, along with existing load data. Case head expansion seems to have too many variables to be reliable.</p></blockquote><p></p>
[QUOTE="Trental, post: 1735578, member: 33874"] I've been mulling this over as of late. I am getting ready to start load testing in an improved 338 Lapua Mag that is a single-shot Nesika action with no ejector. It has a solid bolt face with no ejector hole or slot. I won't be able to watch for ejector marks for pressure signs. Only primer flattening (not always reliable), case head expansion (fine for case life estimations), and heavy bolt lift (maybe my best option). I'll be looking for the accuracy node with the highest velocity, otherwise what is the point of the improved chamber :-) In my case I think I am going to have to rely upon the combination of bolt lift and primer deformation, along with existing load data. Case head expansion seems to have too many variables to be reliable. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Case head expansion (CHE), reloader's signs of pressure
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