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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7LRM (Long Range Magnum) - Pic & Info thread
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<blockquote data-quote="agentcooper" data-source="post: 1098066" data-attributes="member: 6087"><p>That's right in line with my weights with the last batch of 200 I ordered from Gunwerks. I believe you are correct, it is case capacity that makes the difference but, if all external dimensions are the same and one piece of brass weighs more than another, then that material has to go somewhere......effecting the inside of the case and either reducing or increasing capacity if it is heavier or lighter respectively. I know that I loaded up a few rounds at all three weight nodes and I achieved nearly 150fps in velocity variation. I can also tell you this, if you load until you are getting a slight extractor mark on the brass with the 257grn is weight and then put that same powder charge into a 265grn case, the brass is pretty soft and you will blow it out around the primer pocket.</p><p></p><p>Completely unacceptable for what I need out of that rifle and that is what led me to weight sort. I have a bit of a small fortune in brass and neck turning tools now though and very little usable brass to show for it. lol All will be forgiven in my book as soon as quality brass is abundant! I just know I am done playing with it for now and have to accept the multiple small lots of brass that I have to work with. I have spent so much in time, components, and money that it almost burnt me out on shooting for a little bit. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> Who thought that could be possible????</p><p></p><p>Perhaps one very simple solution is Gunwerks or Hornady can very easily weight sort the brass and you could buy it in lots that way. I really don't care what they weigh just as long as they are all the same and usable. No one likes two minutes of vertical in their 1000yd groups!</p></blockquote><p></p>
[QUOTE="agentcooper, post: 1098066, member: 6087"] That's right in line with my weights with the last batch of 200 I ordered from Gunwerks. I believe you are correct, it is case capacity that makes the difference but, if all external dimensions are the same and one piece of brass weighs more than another, then that material has to go somewhere......effecting the inside of the case and either reducing or increasing capacity if it is heavier or lighter respectively. I know that I loaded up a few rounds at all three weight nodes and I achieved nearly 150fps in velocity variation. I can also tell you this, if you load until you are getting a slight extractor mark on the brass with the 257grn is weight and then put that same powder charge into a 265grn case, the brass is pretty soft and you will blow it out around the primer pocket. Completely unacceptable for what I need out of that rifle and that is what led me to weight sort. I have a bit of a small fortune in brass and neck turning tools now though and very little usable brass to show for it. lol All will be forgiven in my book as soon as quality brass is abundant! I just know I am done playing with it for now and have to accept the multiple small lots of brass that I have to work with. I have spent so much in time, components, and money that it almost burnt me out on shooting for a little bit. :( Who thought that could be possible???? Perhaps one very simple solution is Gunwerks or Hornady can very easily weight sort the brass and you could buy it in lots that way. I really don't care what they weigh just as long as they are all the same and usable. No one likes two minutes of vertical in their 1000yd groups! [/QUOTE]
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7LRM (Long Range Magnum) - Pic & Info thread
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