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Rifles, Reloading, Optics, Equipment
Reloading
Developing load for new semi-custom
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<blockquote data-quote="RobG5589" data-source="post: 1004243" data-attributes="member: 54561"><p>Guess I will jump in with my first post. Seating depth depends on the bullet and chamber. Hunting style bullets can generally tolerate "jumping" where as a vld style target bullet may like to be near or at the lands. Did you have your chamber set up for a specific bullet or just a standard cut? I have run factory 700 chambers, which are notoriously long, with a bunch of jump and still produced great accuracy. We are talking something like .100+ off.</p><p></p><p>I would contact the bullets manufacturer for seating depth help if you cannot find it elsewhere.</p><p></p><p>My point is, do not get caught up in a number. Start somewhere in the middle and go from there.</p><p></p><p>For myself, I do not use OCW or laddering. I simply load with a starting powder load and depth based on research and go from there. Never had a problem doing it that way, although I can see the benefit to ocw and ladder testing. I also test at 300 yds. 100 yds simply isn't far enough to gain what I consider to be useful data.</p><p></p><p>Based on what you wrote, your inexperience says to stick with "book" data until you gain some experience to venture into the unknown. Start with the book 3.245 oal and see how she shoots.</p><p></p><p>Good luck and be safe.</p></blockquote><p></p>
[QUOTE="RobG5589, post: 1004243, member: 54561"] Guess I will jump in with my first post. Seating depth depends on the bullet and chamber. Hunting style bullets can generally tolerate "jumping" where as a vld style target bullet may like to be near or at the lands. Did you have your chamber set up for a specific bullet or just a standard cut? I have run factory 700 chambers, which are notoriously long, with a bunch of jump and still produced great accuracy. We are talking something like .100+ off. I would contact the bullets manufacturer for seating depth help if you cannot find it elsewhere. My point is, do not get caught up in a number. Start somewhere in the middle and go from there. For myself, I do not use OCW or laddering. I simply load with a starting powder load and depth based on research and go from there. Never had a problem doing it that way, although I can see the benefit to ocw and ladder testing. I also test at 300 yds. 100 yds simply isn't far enough to gain what I consider to be useful data. Based on what you wrote, your inexperience says to stick with "book" data until you gain some experience to venture into the unknown. Start with the book 3.245 oal and see how she shoots. Good luck and be safe. [/QUOTE]
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Developing load for new semi-custom
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