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Rifles, Reloading, Optics, Equipment
Reloading
Load work up...seating depth test first OR charge weight first?
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<blockquote data-quote="woods" data-source="post: 1404597" data-attributes="member: 6042"><p>Charge weight first, one load at each charge weight, progressively plus .3 to .5 grains each load. Looking <u>only</u> at velocity and pressure signs. When I find a charge weight that will deliver an <u>appropriate for caliber</u> velocity at a safe pressure, use it. Could call it an Audette's ladder but reading those nodes is like reading tea leaves and don't seem to be too repeatable.</p><p></p><p>Then seating depth starting at.025" to .030" going up in .015" all the way to .100" off looking at group size but mainly lowest velocity Extreme Spread and Standard Deviation. Velocity will go down the deeper you seat so you are fine tuning velocity also with the seating depth test. If necessary some fine tuning around choice.</p><p></p><p>IMO lowest ES & SD means accuracy most likely to be stabilized in varying conditions, IOW environmental factors (altitude and temperature) are mitigated.</p><p></p><p>Once found, load a whole box and use for hunting for the next few years. Work on other calibers etc.</p></blockquote><p></p>
[QUOTE="woods, post: 1404597, member: 6042"] Charge weight first, one load at each charge weight, progressively plus .3 to .5 grains each load. Looking [U]only[/U] at velocity and pressure signs. When I find a charge weight that will deliver an [U]appropriate for caliber[/U] velocity at a safe pressure, use it. Could call it an Audette's ladder but reading those nodes is like reading tea leaves and don't seem to be too repeatable. Then seating depth starting at.025" to .030" going up in .015" all the way to .100" off looking at group size but mainly lowest velocity Extreme Spread and Standard Deviation. Velocity will go down the deeper you seat so you are fine tuning velocity also with the seating depth test. If necessary some fine tuning around choice. IMO lowest ES & SD means accuracy most likely to be stabilized in varying conditions, IOW environmental factors (altitude and temperature) are mitigated. Once found, load a whole box and use for hunting for the next few years. Work on other calibers etc. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Load work up...seating depth test first OR charge weight first?
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