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Rifles, Reloading, Optics, Equipment
Reloading
Priming with a Rock Chucker IV
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<blockquote data-quote="marchboom" data-source="post: 2233795" data-attributes="member: 10562"><p>$600 for a priming tool? Are you kidding me? With this tool it appears that the case rim thickness is a factor on how deep the primers are seated. And yes, case rims do vary in thickness even within the same lot. Who wants to check rim thickness on all your cases? </p><p></p><p>IMO, adjustable primer seating tools are a marketing hoax. Primers are designed to be seated so the cup bottoms out in the primer pocket. This provides the proper amount of "crush" <strong>that is designed by the manufacturer</strong>. Any less and some of the energy in the firing pin is used to "complete" the seating process. This could lead to a misfire. Any more and you are now crushing the primer cup and I don't think the factory designed that into their primers.</p><p></p><p>That being said, I use the RCBS Automatic Priming Tool. I can feel when the primer is properly seated and have not had any misfires using this tool.</p><p></p><p>$600? Really?</p></blockquote><p></p>
[QUOTE="marchboom, post: 2233795, member: 10562"] $600 for a priming tool? Are you kidding me? With this tool it appears that the case rim thickness is a factor on how deep the primers are seated. And yes, case rims do vary in thickness even within the same lot. Who wants to check rim thickness on all your cases? IMO, adjustable primer seating tools are a marketing hoax. Primers are designed to be seated so the cup bottoms out in the primer pocket. This provides the proper amount of "crush" [B]that is designed by the manufacturer[/B]. Any less and some of the energy in the firing pin is used to "complete" the seating process. This could lead to a misfire. Any more and you are now crushing the primer cup and I don't think the factory designed that into their primers. That being said, I use the RCBS Automatic Priming Tool. I can feel when the primer is properly seated and have not had any misfires using this tool. $600? Really? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Priming with a Rock Chucker IV
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