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Rifles, Reloading, Optics, Equipment
Reloading
Pressure Signs with New Brass
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<blockquote data-quote="Tommo64" data-source="post: 1820064" data-attributes="member: 107976"><p>OK, some advice needed. I have been developing some loads for my 308 with Remington cases, with some promising results. I recently bought some brand new Sellier & Bellot brass and the loads that worked fine with the Remington brass immediately showed pressure signs (flattened primers) with this new brass. I stopped shooting these loads and when I pulled the bullets, the powder had become compressed and was hard to remove. I checked the case capacity and lo and behold the S&B had a smaller capacity (3.434cc vs 3.545cc). So I thought, no problem, I'll just over and build up again from start loads but then dang! Even at start loads the primers are still flattening out! So where to from here? Has anyone else experienced this and how did you approach the problem? I guess the only way to go is down, but by how much? The start load according to my Lee reloading manual was 42gr Varget with 165gr Nosler ABs. Any recommendations would be appreciated.</p></blockquote><p></p>
[QUOTE="Tommo64, post: 1820064, member: 107976"] OK, some advice needed. I have been developing some loads for my 308 with Remington cases, with some promising results. I recently bought some brand new Sellier & Bellot brass and the loads that worked fine with the Remington brass immediately showed pressure signs (flattened primers) with this new brass. I stopped shooting these loads and when I pulled the bullets, the powder had become compressed and was hard to remove. I checked the case capacity and lo and behold the S&B had a smaller capacity (3.434cc vs 3.545cc). So I thought, no problem, I'll just over and build up again from start loads but then dang! Even at start loads the primers are still flattening out! So where to from here? Has anyone else experienced this and how did you approach the problem? I guess the only way to go is down, but by how much? The start load according to my Lee reloading manual was 42gr Varget with 165gr Nosler ABs. Any recommendations would be appreciated. [/QUOTE]
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Pressure Signs with New Brass
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