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Rifles, Reloading, Optics, Equipment
Reloading
Weighing Cases for Quickload
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<blockquote data-quote="Wyo7200" data-source="post: 1051539" data-attributes="member: 82337"><p>Are you loading for hunting or for competitions? Think the method involves using a fired, unsized case, using the spent primer as a plug. I'd be interested to see your results with the 21st century plug. </p><p></p><p>If its for hunting, grab 10-15, get the water weight of each and average them. You will find that most are within a few tenths- which wont be enough to really throw off the grouping if you are on an OBT node. Here is an example of my 22-250 cases, that vary +/- .4 in only a few cases. I can expect a range of +/- 20 fps velocity difference from the average, if my math is right.</p><p></p><p>Lapua </p><p>avg: 45.072</p><p></p><p>Dry Wet</p><p> 167.9 | 212.6</p><p> 167.5 | 212.8</p><p> 167.7 | 212.5</p><p> 167.7 | 213</p><p> 168 | 212.8</p><p> 167.4 | 212.7</p><p> 167.9 | 212.5</p><p> 167.5 | 212.7</p><p> 168.1 | 212.4</p><p> 167.4 | 212.8</p><p> 167.7 | 212.7</p><p> 167.8 | 212.8</p><p> 167.8 | 213</p><p> 167.2 | 212.3</p><p> 167.9 | 212.9</p><p> 167.7 | 212.8</p><p> 167.7 | 212.8</p><p> 167.4 | 212.7</p><p> 167.9 | 213</p><p> 167.9 | 213</p><p> 166.4 | 212.7</p><p> 167.7 | 212.3</p><p> 167.4 | 212.6</p><p> 167 | 212.9</p><p> 167.4 | 212.5</p><p>AVG: 167.6 | 212.712</p></blockquote><p></p>
[QUOTE="Wyo7200, post: 1051539, member: 82337"] Are you loading for hunting or for competitions? Think the method involves using a fired, unsized case, using the spent primer as a plug. I'd be interested to see your results with the 21st century plug. If its for hunting, grab 10-15, get the water weight of each and average them. You will find that most are within a few tenths- which wont be enough to really throw off the grouping if you are on an OBT node. Here is an example of my 22-250 cases, that vary +/- .4 in only a few cases. I can expect a range of +/- 20 fps velocity difference from the average, if my math is right. Lapua avg: 45.072 Dry Wet 167.9 | 212.6 167.5 | 212.8 167.7 | 212.5 167.7 | 213 168 | 212.8 167.4 | 212.7 167.9 | 212.5 167.5 | 212.7 168.1 | 212.4 167.4 | 212.8 167.7 | 212.7 167.8 | 212.8 167.8 | 213 167.2 | 212.3 167.9 | 212.9 167.7 | 212.8 167.7 | 212.8 167.4 | 212.7 167.9 | 213 167.9 | 213 166.4 | 212.7 167.7 | 212.3 167.4 | 212.6 167 | 212.9 167.4 | 212.5 AVG: 167.6 | 212.712 [/QUOTE]
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