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Rifles, Reloading, Optics, Equipment
Reloading
Help me on purchase and process using mandrel expanding die
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<blockquote data-quote="Orange Dust" data-source="post: 1777744" data-attributes="member: 92702"><p>Think about it. If all the necks are not the same thickness, How can tension be the same? You do get springback. Also, it seems to me that if the necks are straight and round on the inside before firing, they won't be afterword when the bullet is leaving the case. I'n not saying it won't help doing it anyway. You just won't reap all the benefit. I use a Forster trimmer with a neck turning attachment, and trim at the same time. Really doesn't take any longer than trimming, and you should trim all your new cases to a uniform length any way. I really don't see a downside to it since it only has to be done once, and you need to trim them and square the mouths anyway. Here is how I process a new batch of cases:</p><p>First I debur the mouths</p><p>Then I ream the primer pockets and debur the flash holes</p><p>Then a trip through the neck expander die</p><p>Then turn necks and trim in one pass through trimmer</p><p>chamfur and debur necks again</p><p>Then full length resize</p><p>Another trip through the neck expander.</p><p>Weigh and sort</p><p>Load.</p><p>Sounds like a lot of trouble but its really not, adds maybe an hour or so to a batch of 100 cases. Good cases are expensive but a couple of hundred will outlast most barrels,so it isworth the time and effort IMO.</p></blockquote><p></p>
[QUOTE="Orange Dust, post: 1777744, member: 92702"] Think about it. If all the necks are not the same thickness, How can tension be the same? You do get springback. Also, it seems to me that if the necks are straight and round on the inside before firing, they won't be afterword when the bullet is leaving the case. I'n not saying it won't help doing it anyway. You just won't reap all the benefit. I use a Forster trimmer with a neck turning attachment, and trim at the same time. Really doesn't take any longer than trimming, and you should trim all your new cases to a uniform length any way. I really don't see a downside to it since it only has to be done once, and you need to trim them and square the mouths anyway. Here is how I process a new batch of cases: First I debur the mouths Then I ream the primer pockets and debur the flash holes Then a trip through the neck expander die Then turn necks and trim in one pass through trimmer chamfur and debur necks again Then full length resize Another trip through the neck expander. Weigh and sort Load. Sounds like a lot of trouble but its really not, adds maybe an hour or so to a batch of 100 cases. Good cases are expensive but a couple of hundred will outlast most barrels,so it isworth the time and effort IMO. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Help me on purchase and process using mandrel expanding die
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