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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Weighing Powder - How precise is good enough?
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<blockquote data-quote="milanuk" data-source="post: 538087" data-attributes="member: 376"><p>Actually... it is. Page 8, right-hand column, just about half-ways down, under the heading 'Disable/Enable Audible Tone (Beeps)'. The PDF of the manual is <a href="http://www.rcbs.com/downloads/instructions/ChargeMasterComboInstructions.pdf" target="_blank">here</a>, if you want to check.</p><p> </p><p> NP... figured I must have missed something whilst skimming thru things. Wouldn't be the first time <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p></p><p>Fair enough... here's my take: in general... the smaller the cartridge, the more noticeable results you'll get from weighing charges out to the kernel - mainly due to the relative size of change you are making. For a .223 Rem where I might stuff 24.5 gn of N150 behind an 80 or 90 gn bullet, one kernel weighing ~0.025-0.03 gn (give or take a bit) probably makes more difference than one kernel of H1000 when dispensing 93 gn for a .338 LM pushing a S300MK. With the former, I can usually see tighter groups, less vertical dispersion, etc. from the uber-precision weighed charges. With the latter... not so much. Then again, a .223 Rem is a little easier to shoot, so it may not be an entirely apples-to-apples comparison.</p></blockquote><p></p>
[QUOTE="milanuk, post: 538087, member: 376"] Actually... it is. Page 8, right-hand column, just about half-ways down, under the heading 'Disable/Enable Audible Tone (Beeps)'. The PDF of the manual is [URL="http://www.rcbs.com/downloads/instructions/ChargeMasterComboInstructions.pdf"]here[/URL], if you want to check. NP... figured I must have missed something whilst skimming thru things. Wouldn't be the first time :rolleyes: Fair enough... here's my take: in general... the smaller the cartridge, the more noticeable results you'll get from weighing charges out to the kernel - mainly due to the relative size of change you are making. For a .223 Rem where I might stuff 24.5 gn of N150 behind an 80 or 90 gn bullet, one kernel weighing ~0.025-0.03 gn (give or take a bit) probably makes more difference than one kernel of H1000 when dispensing 93 gn for a .338 LM pushing a S300MK. With the former, I can usually see tighter groups, less vertical dispersion, etc. from the uber-precision weighed charges. With the latter... not so much. Then again, a .223 Rem is a little easier to shoot, so it may not be an entirely apples-to-apples comparison. [/QUOTE]
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Weighing Powder - How precise is good enough?
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