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Rifles, Reloading, Optics, Equipment
Reloading
eletronic powder trickler
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<blockquote data-quote="johnnyk" data-source="post: 1106597" data-attributes="member: 307"><p>With the Omega it comes down to that last grain before going over your desired set point. Some powders are more consistent, wrt actual weight, that others. Retumbo comes to mind, great (consistent) powder to measure. One grain (granule) weighs approximately .033gns, so you kinda know what to expect (what's coming down the tube <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> ). RL25 is horribly inconsistent.</p><p> When I get to the Mettler balance and Omega, I use high speed to get within .1 or .2 and slow jog from there.</p><p> This is where the "anal" part comes in; sometimes the load ends at say 80.985gn. This is below my tolerance of +/- .004, and another grain (.033) will push me over 81.018gn, so I use pieces of kernels that I have cut with a knife. I know, I know, some of you will say "BS, it's not necessary" or that "I'm messing up the kernels burn properties", etc, etc. At this point I'm looking for a specific number and a Kernel of dirt might work just as good. I dunno. Think back to the benchrest guys who are "throwing" all their loads and still shooting tighter groups, albeit short range, that most of us. It's the process I use anyway in building custom, tailored loads for a specific rifle. Good luck. JohnnyK.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 1106597, member: 307"] With the Omega it comes down to that last grain before going over your desired set point. Some powders are more consistent, wrt actual weight, that others. Retumbo comes to mind, great (consistent) powder to measure. One grain (granule) weighs approximately .033gns, so you kinda know what to expect (what's coming down the tube :) ). RL25 is horribly inconsistent. When I get to the Mettler balance and Omega, I use high speed to get within .1 or .2 and slow jog from there. This is where the "anal" part comes in; sometimes the load ends at say 80.985gn. This is below my tolerance of +/- .004, and another grain (.033) will push me over 81.018gn, so I use pieces of kernels that I have cut with a knife. I know, I know, some of you will say "BS, it's not necessary" or that "I'm messing up the kernels burn properties", etc, etc. At this point I'm looking for a specific number and a Kernel of dirt might work just as good. I dunno. Think back to the benchrest guys who are "throwing" all their loads and still shooting tighter groups, albeit short range, that most of us. It's the process I use anyway in building custom, tailored loads for a specific rifle. Good luck. JohnnyK. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
eletronic powder trickler
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