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Rifles, Reloading, Optics, Equipment
Reloading
Reloading the 7mm Dakota
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<blockquote data-quote="Hawk in WY" data-source="post: 1086895" data-attributes="member: 70947"><p>I'm developing loads for my Dakota Model 10 in 7mm Dakota with a 1:9 Lilja barrel.</p><p></p><p>Wanting to shoot Barnes bullets at long range.</p><p></p><p>The 168 gr. LRX with 72.5 gr. IMR 7828, Fed GM215M, go into a half inch but sideways. 7828 SSC actually but that shouldn't make a difference.</p><p></p><p>I live at 6,200 feet and hunt at 7,000 to 10,000.</p><p></p><p>Clearly I need to drive these bullets faster.</p><p></p><p>Since there is little published data, I put this project on hold.</p><p></p><p>A ladder test of Barnes 145 gr. LRX from 73 to 75.5 gr RL-22 with 0.5 grain increments had everything around 1.5 inches.</p><p></p><p>I took the 75.5 grain load and varied the COAL from 3.33 to 3.45 (.020 off the lands) and got a one inch group at 3.35. I can and do shoot better than that.</p><p></p><p>Time to increase powder charges until I see pressure, change bullets, powder?</p><p></p><p>All advice much appreciated.</p></blockquote><p></p>
[QUOTE="Hawk in WY, post: 1086895, member: 70947"] I'm developing loads for my Dakota Model 10 in 7mm Dakota with a 1:9 Lilja barrel. Wanting to shoot Barnes bullets at long range. The 168 gr. LRX with 72.5 gr. IMR 7828, Fed GM215M, go into a half inch but sideways. 7828 SSC actually but that shouldn't make a difference. I live at 6,200 feet and hunt at 7,000 to 10,000. Clearly I need to drive these bullets faster. Since there is little published data, I put this project on hold. A ladder test of Barnes 145 gr. LRX from 73 to 75.5 gr RL-22 with 0.5 grain increments had everything around 1.5 inches. I took the 75.5 grain load and varied the COAL from 3.33 to 3.45 (.020 off the lands) and got a one inch group at 3.35. I can and do shoot better than that. Time to increase powder charges until I see pressure, change bullets, powder? All advice much appreciated. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reloading the 7mm Dakota
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