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Rifles, Reloading, Optics, Equipment
Reloading
Berger Seating Depth Test
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<blockquote data-quote="Mike 338" data-source="post: 1196236" data-attributes="member: 41338"><p>I use .040" increments just as stated. Since I intend to use the magazine, I start at maximum mag length, assuming it doesn't touch or jam the bullet into the lands, and begin from there. I find a safe powder load, usually around 2% below max and seat strings of bullets in said increments as deep as I can get them without going off the ogive. I've had noticeably more accurate groups at .220" off the lands which is almost 1/4". They shot fairly consistently in and around that band of seating depth. Point being, you don't know till you try it. After finding max powder charge, this is one of the very first things I do in load development because if you aren't in the best accuracy band, often nothing will shoot very well. I do this with all bullets, not just Bergers. </p><p></p><p>Note: Change the bullet and you gotta start the test over.</p></blockquote><p></p>
[QUOTE="Mike 338, post: 1196236, member: 41338"] I use .040" increments just as stated. Since I intend to use the magazine, I start at maximum mag length, assuming it doesn't touch or jam the bullet into the lands, and begin from there. I find a safe powder load, usually around 2% below max and seat strings of bullets in said increments as deep as I can get them without going off the ogive. I've had noticeably more accurate groups at .220" off the lands which is almost 1/4". They shot fairly consistently in and around that band of seating depth. Point being, you don't know till you try it. After finding max powder charge, this is one of the very first things I do in load development because if you aren't in the best accuracy band, often nothing will shoot very well. I do this with all bullets, not just Bergers. Note: Change the bullet and you gotta start the test over. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Berger Seating Depth Test
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