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Rifles, Reloading, Optics, Equipment
Reloading
How do you start working up a load?
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<blockquote data-quote="Okanogan" data-source="post: 1933587" data-attributes="member: 90397"><p> <ul> <li data-xf-list-type="ul">I pick the different bullets I want to try and find the distance to the lands for each using the wheeler method. I keep the max length dummy round as a reference (at least until later when I recheck after many rounds fired). Doing this first potentially encourages me to skip some bullets from selection or prioritize them lower as I don't like the expected range of jump or I have to seat them too deeply.</li> <li data-xf-list-type="ul">I pick a mid load for the bullet/ powder combination and do some variation of the Berger seating depth test looking for best groups. Lately I have tried more mid-long jump options than in the past.</li> <li data-xf-list-type="ul">If I can't get anything to group well, I might toss in the towel and move on to another bullet selection depending on how hopeless the results looked.</li> <li data-xf-list-type="ul">I use the best grouping seating depth and start looking for a powder charge weight with good group/ ES& SD. I keep records in particular on the velocities that seem to work well. If I'm not showing pressure, I will likely continue increasing charge weight until either the group opens up, the ES/SD increases or I start showing pressure.</li> <li data-xf-list-type="ul">If I can't get good ES/SD with a velocity that works well, I try different primers to optimize. If that doesn't work, I will try a different powder to achieve similar velocities but hopefully with more consistency.</li> <li data-xf-list-type="ul">If the load development is for a new rifle, I may have to repeat steps above as the barrel breaks in and speeds up. Generally this requires a reduced charge weight to reobtain something similar to the velocity that worked well.</li> </ul></blockquote><p></p>
[QUOTE="Okanogan, post: 1933587, member: 90397"] [LIST] [*]I pick the different bullets I want to try and find the distance to the lands for each using the wheeler method. I keep the max length dummy round as a reference (at least until later when I recheck after many rounds fired). Doing this first potentially encourages me to skip some bullets from selection or prioritize them lower as I don't like the expected range of jump or I have to seat them too deeply. [*]I pick a mid load for the bullet/ powder combination and do some variation of the Berger seating depth test looking for best groups. Lately I have tried more mid-long jump options than in the past. [*]If I can't get anything to group well, I might toss in the towel and move on to another bullet selection depending on how hopeless the results looked. [*]I use the best grouping seating depth and start looking for a powder charge weight with good group/ ES& SD. I keep records in particular on the velocities that seem to work well. If I'm not showing pressure, I will likely continue increasing charge weight until either the group opens up, the ES/SD increases or I start showing pressure. [*]If I can't get good ES/SD with a velocity that works well, I try different primers to optimize. If that doesn't work, I will try a different powder to achieve similar velocities but hopefully with more consistency. [*]If the load development is for a new rifle, I may have to repeat steps above as the barrel breaks in and speeds up. Generally this requires a reduced charge weight to reobtain something similar to the velocity that worked well. [/LIST] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How do you start working up a load?
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