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Rifles, Reloading, Optics, Equipment
Reloading
Flattened Primers? Help?
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<blockquote data-quote="rscott5028" data-source="post: 566772" data-attributes="member: 24624"><p>I don't think your primers are flattened too much. </p><p> </p><p>I don't think you have a sizing problem. </p><p> </p><p>If you want to measure and be consistent, I would recommend one of several gauges to start with such as the Hornady Lock-n-Load Headspace adapters that fit onto your calipers. This will allow you to measure your cartridge from the head to the headspace datum line on the shoulder. Once you have your dies set, then you can lock the ring in place in order to have a repeatable setting. </p><p> </p><p>If you want to take it a step further, then remove the ejector from your bolt and add one layer of scotch tape at a time to the case head and check for feel. Measure the tape thickness, add it all up, and that'll give you a rouch measurement of your chamber headspace. </p><p> </p><p>In short, one or two layers of scotch tape is "usually" about .001-.002" which is fine for a hunting rifle. Some will disagree about using scotch tape as it compresses and they are correct. It's not a complete substitute for proper headspace gauges. But, it'll provide one piece of information that you currently do not have. </p><p> </p><p>Don't forget to replace the ejector in your bolt when you're done. </p><p> </p><p>...or, you can simply neck size and your cartridge will be just about right for a few firings before you need to bump the shoulder or FL size. </p><p> </p><p>-- richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 566772, member: 24624"] I don't think your primers are flattened too much. I don't think you have a sizing problem. If you want to measure and be consistent, I would recommend one of several gauges to start with such as the Hornady Lock-n-Load Headspace adapters that fit onto your calipers. This will allow you to measure your cartridge from the head to the headspace datum line on the shoulder. Once you have your dies set, then you can lock the ring in place in order to have a repeatable setting. If you want to take it a step further, then remove the ejector from your bolt and add one layer of scotch tape at a time to the case head and check for feel. Measure the tape thickness, add it all up, and that'll give you a rouch measurement of your chamber headspace. In short, one or two layers of scotch tape is "usually" about .001-.002" which is fine for a hunting rifle. Some will disagree about using scotch tape as it compresses and they are correct. It's not a complete substitute for proper headspace gauges. But, it'll provide one piece of information that you currently do not have. Don't forget to replace the ejector in your bolt when you're done. ...or, you can simply neck size and your cartridge will be just about right for a few firings before you need to bump the shoulder or FL size. -- richard [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Flattened Primers? Help?
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