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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Advice on Redding Dies
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<blockquote data-quote="Brent" data-source="post: 32978" data-attributes="member: 99"><p>Sandman,</p><p> Welcome aboard. What's the fired diameter and loaded diameter of your cases measure? Are you sigle feeding rounds, or feeding from the magazine? This is what you need to know to get the correct bushing(s). Redding's recommendation could be a little more precise than just saying a bushing .001 smaller, close but it really depends on the neck clearance you run.</p><p></p><p>Press fit - The amount of bullet to case press fit will need to be greater if feeding from the magazine verses single feeding them. Measure the diameter of the neck on a sized case, record it, then measure the diameter after seating the specific bullet you'll be shooting, record that. Now subtract the sized case diameter from the diameter of the one with the bullet seated in it for the amount of press fit, or neck tension amount. </p><p></p><p>I like .001" or less for single loaded ammo, about .002, maybe .0025-.003 if needed to keep bullets from seating deeper in the case upon recoil when down in the magazine... I don't like any more neck tension than necessary. </p><p></p><p>The Redding Competition die has a guide sleeve, which keeps the case perfectly aligned as the bullet is being seated, which minimizes bullet runout, nearly as well as an inline seater like Wilson makes. The Redding S die takes the bushings but, has no guide sleeve. </p><p></p><p>I'd suggest using a Redding S type "FL" die over either of them though, just to keep runout from ever developing like it can with neck sizing. The S type die uses the neck bushing, so you still have control over the neck tension you need without resorting to an expander ball.</p></blockquote><p></p>
[QUOTE="Brent, post: 32978, member: 99"] Sandman, Welcome aboard. What's the fired diameter and loaded diameter of your cases measure? Are you sigle feeding rounds, or feeding from the magazine? This is what you need to know to get the correct bushing(s). Redding's recommendation could be a little more precise than just saying a bushing .001 smaller, close but it really depends on the neck clearance you run. Press fit - The amount of bullet to case press fit will need to be greater if feeding from the magazine verses single feeding them. Measure the diameter of the neck on a sized case, record it, then measure the diameter after seating the specific bullet you'll be shooting, record that. Now subtract the sized case diameter from the diameter of the one with the bullet seated in it for the amount of press fit, or neck tension amount. I like .001" or less for single loaded ammo, about .002, maybe .0025-.003 if needed to keep bullets from seating deeper in the case upon recoil when down in the magazine... I don't like any more neck tension than necessary. The Redding Competition die has a guide sleeve, which keeps the case perfectly aligned as the bullet is being seated, which minimizes bullet runout, nearly as well as an inline seater like Wilson makes. The Redding S die takes the bushings but, has no guide sleeve. I'd suggest using a Redding S type "FL" die over either of them though, just to keep runout from ever developing like it can with neck sizing. The S type die uses the neck bushing, so you still have control over the neck tension you need without resorting to an expander ball. [/QUOTE]
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Advice on Redding Dies
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