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Rifles, Reloading, Optics, Equipment
Reloading
What is the approximate case weight for 30-06 Lapua Brass?
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<blockquote data-quote="A A Ron" data-source="post: 3078368" data-attributes="member: 117277"><p>This thread got me thinking and that generally starts a dive down the rabbit hole...</p><p></p><p>I weighed a lot of Win brass I have loaded and shot 7 times. The loads have been full pressure for a top velocity node in 30-06 AI. The brass has been trimmed after fire forming and again every 3rd firing. 3 trimmings total to the same length. Annealed before sizing each time. Always interesting how some cases grow more than others.</p><p></p><p>The results. I grouped the weights by whole numbers because the variation was so great within those numbers. I did record each individual weight.</p><p>4 cases at 181</p><p>4 cases at 182</p><p>11 cases at 183</p><p>15 cases at 184</p><p>19 cases at 185</p><p>8 cases at 186</p><p>2 cases at 187</p><p></p><p>Observations this lot is starting to show higher stds than previously. I haven't taken the time to compare case capacities to the case weights. I also don't have a large sample of base line virgin brass, but there is measurably less brass remaining after 7 firings. Primer pockets are still good, but it is probably time to retire this lot.</p></blockquote><p></p>
[QUOTE="A A Ron, post: 3078368, member: 117277"] This thread got me thinking and that generally starts a dive down the rabbit hole... I weighed a lot of Win brass I have loaded and shot 7 times. The loads have been full pressure for a top velocity node in 30-06 AI. The brass has been trimmed after fire forming and again every 3rd firing. 3 trimmings total to the same length. Annealed before sizing each time. Always interesting how some cases grow more than others. The results. I grouped the weights by whole numbers because the variation was so great within those numbers. I did record each individual weight. 4 cases at 181 4 cases at 182 11 cases at 183 15 cases at 184 19 cases at 185 8 cases at 186 2 cases at 187 Observations this lot is starting to show higher stds than previously. I haven't taken the time to compare case capacities to the case weights. I also don't have a large sample of base line virgin brass, but there is measurably less brass remaining after 7 firings. Primer pockets are still good, but it is probably time to retire this lot. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What is the approximate case weight for 30-06 Lapua Brass?
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