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Reloading
Blending Powders
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<blockquote data-quote="J E Custom" data-source="post: 1889949" data-attributes="member: 2736"><p>I realize it is done all the time, But even the same canister of powder can very in velocity and SD's. what we found was that If you buy 6 or 8 1 pound cans/bottles one of them will shoot better than the others all we could deduce from that was that all the granules in that can were more uniform that other cans of the same batch number. I personally have never fired 5 shots with a zero standard deviation, but I have seen a few and the shooters that recognized the difference would save this powder for matches only where every bit of accuracy counted.</p><p></p><p>I can't shoot well enough to tell the difference, so I rely on the chronograph to tell me the ammo quality because it doesn't know or care what you do to loaded ammo, and group size to show my shortcomings.</p><p></p><p>The bench rest shooter and master gunsmith that got me interested said the difference was enough to win or lose, and did the same thing to his cartridge cases by numbering them and keeping track of the group sizes each one produced and used the best case and batch of powder in the important matches.</p><p></p><p>I personally found a batch of H 4831 that was WW 2 surplus and it shot better than any I had ever bought and it was used for 1000 yard matches only, very successfully for me.</p><p></p><p>So If SD's and sub .099 groups are not important to you then powder issues are not important.</p><p>I for one will never stop trying to best my best group ever with a hunting rifle (.034).</p><p>Is that kind of accuracy necessary? absolutely not, But it does make all the care and time spent rewarding to some.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1889949, member: 2736"] I realize it is done all the time, But even the same canister of powder can very in velocity and SD's. what we found was that If you buy 6 or 8 1 pound cans/bottles one of them will shoot better than the others all we could deduce from that was that all the granules in that can were more uniform that other cans of the same batch number. I personally have never fired 5 shots with a zero standard deviation, but I have seen a few and the shooters that recognized the difference would save this powder for matches only where every bit of accuracy counted. I can't shoot well enough to tell the difference, so I rely on the chronograph to tell me the ammo quality because it doesn't know or care what you do to loaded ammo, and group size to show my shortcomings. The bench rest shooter and master gunsmith that got me interested said the difference was enough to win or lose, and did the same thing to his cartridge cases by numbering them and keeping track of the group sizes each one produced and used the best case and batch of powder in the important matches. I personally found a batch of H 4831 that was WW 2 surplus and it shot better than any I had ever bought and it was used for 1000 yard matches only, very successfully for me. So If SD's and sub .099 groups are not important to you then powder issues are not important. I for one will never stop trying to best my best group ever with a hunting rifle (.034). Is that kind of accuracy necessary? absolutely not, But it does make all the care and time spent rewarding to some. J E CUSTOM [/QUOTE]
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