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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How Do You Get A Low "ES" Velocity Number ??
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<blockquote data-quote="wilbur300wsm" data-source="post: 260650" data-attributes="member: 12000"><p>powder powder powder. powder has the biggest effect on es. normal and exotic brass prep will be a factor, it's a good thing to do to help with lowering es. extremely clean necks will NOT give consistant bullet release. my experiance with primers is to use the primers on the colder side, you get more of a progressive ignition than a flash ignition. uniform primer pockets and uniform flash holes will give consistant ignition and help to cure flyers and greater es. a case that is closer to being full will obviously burn from one end to the other, thats what you want. one with more air space will tend to burn across the top of the powder charge. thats what you don't want. nothing was said about the way the powder is measured. a lot of us are slowly losing our eyesight, so is the lines on you old reliable beam scale really perfectly in line? inconsistant powder charge will definately have an effect on es. my suggestion is a good quality digital scale. i know on stick powder like 4064,4350, 4831, two granuals will change you charge .1 of a grain. RL 15, 5 granuals will change you charge .1 of a grain. if you are using a digital scale , test it to see how many granuals it takes to change the charge. the more consistant you can be the better. hope this helps and good luck.</p></blockquote><p></p>
[QUOTE="wilbur300wsm, post: 260650, member: 12000"] powder powder powder. powder has the biggest effect on es. normal and exotic brass prep will be a factor, it's a good thing to do to help with lowering es. extremely clean necks will NOT give consistant bullet release. my experiance with primers is to use the primers on the colder side, you get more of a progressive ignition than a flash ignition. uniform primer pockets and uniform flash holes will give consistant ignition and help to cure flyers and greater es. a case that is closer to being full will obviously burn from one end to the other, thats what you want. one with more air space will tend to burn across the top of the powder charge. thats what you don't want. nothing was said about the way the powder is measured. a lot of us are slowly losing our eyesight, so is the lines on you old reliable beam scale really perfectly in line? inconsistant powder charge will definately have an effect on es. my suggestion is a good quality digital scale. i know on stick powder like 4064,4350, 4831, two granuals will change you charge .1 of a grain. RL 15, 5 granuals will change you charge .1 of a grain. if you are using a digital scale , test it to see how many granuals it takes to change the charge. the more consistant you can be the better. hope this helps and good luck. [/QUOTE]
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How Do You Get A Low "ES" Velocity Number ??
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