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Rifles, Reloading, Optics, Equipment
Reloading
die selection for 308
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<blockquote data-quote="boomtube" data-source="post: 874289" data-attributes="member: 9215"><p>Die instructions are sufficent to (usually) allow a noob to assemble ammo that will chamber and go BANG; it's sure not going to produce the best possible chamber fit. Chambers vary, dies and shell holdersvary AND press spring back varies not only by brand but individually. Cases are work hardened a bit each cycle so its spring-back varies each time it's reused. Trying to accomidate all of that variation with a simplistic "touch and stop" or "touch plus a turn", etc, is doomed to produce mediocer hand loads forever. </p><p> </p><p>All brands of dies and shell holders are held to the same SAAMI tolerances specifically to make them interchangable so there's no automatic difference to mixing brands any way you wish. The target deck height for shell holders is 1/8", or .125", and they don't miss it by more than a very few thousants but add that tolerance to the tolerances of a die and you can see that no formula for die adjustment can possibly be precise. </p><p> </p><p>We just learn what we need to do by experimentation and checking the end results with whatever tools we're using -- so there isn't any difference at all in set up between die brands for proper use in any press.</p><p> </p><p>When properly chosen for the tasks they are to be used for, every American press made is excellant. Any of the middle ground presses by Lyman, Lee, Hornady, RCBS, Redding are much stronger and long lasting than any common reloading tasks require; if they look the same they will work and perform the same. (That's basically true for die brands too; any differences are user features, not "quality" as such.)</p></blockquote><p></p>
[QUOTE="boomtube, post: 874289, member: 9215"] Die instructions are sufficent to (usually) allow a noob to assemble ammo that will chamber and go BANG; it's sure not going to produce the best possible chamber fit. Chambers vary, dies and shell holdersvary AND press spring back varies not only by brand but individually. Cases are work hardened a bit each cycle so its spring-back varies each time it's reused. Trying to accomidate all of that variation with a simplistic "touch and stop" or "touch plus a turn", etc, is doomed to produce mediocer hand loads forever. All brands of dies and shell holders are held to the same SAAMI tolerances specifically to make them interchangable so there's no automatic difference to mixing brands any way you wish. The target deck height for shell holders is 1/8", or .125", and they don't miss it by more than a very few thousants but add that tolerance to the tolerances of a die and you can see that no formula for die adjustment can possibly be precise. We just learn what we need to do by experimentation and checking the end results with whatever tools we're using -- so there isn't any difference at all in set up between die brands for proper use in any press. When properly chosen for the tasks they are to be used for, every American press made is excellant. Any of the middle ground presses by Lyman, Lee, Hornady, RCBS, Redding are much stronger and long lasting than any common reloading tasks require; if they look the same they will work and perform the same. (That's basically true for die brands too; any differences are user features, not "quality" as such.) [/QUOTE]
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die selection for 308
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