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Rifles, Reloading, Optics, Equipment
Reloading
Need some advice on picking a scale.
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<blockquote data-quote="o2bmark" data-source="post: 1603708" data-attributes="member: 6358"><p>I find nothing wrong at all with what you say. And from your entire list of variables I find the 1 granule of powder the least significant. It is however the easiest to remedy if you simply acquire expensive accurate scales which don't require much skill to operate. The other variables depend on personal skills and consistency thus harder to perfect or transfer to others (Art). The only brass I anneal every time are large magnums (300wm, 338L) while lower pressure about every 3rd. I admit I have not had great success at dependable single digit extreme spreads as others seem to (per labradar). It happens but not predictably. On scale issue I don't trust anything really. I have by ridiculous means calibrated what I have including test weights. In the end I usually use a Lyman M-5 ohaus that I modified and tuned. It will easily show a granule of extruded powder. It is somewhat of a pain. Every time I set it up I have figit with it to get it to settle the knives in the sweet spot (beam and pan) where it agrees with check weights. No jarring actions and careful placement of powder in pan and pan on scale. Tediously slow. I do use a chargemaster with sleeve in tube quite a bit. It is almost .2gr heavy on average. If I'm watching powder drop and readings climb as it finishes up I can tell if it is going to be a good measurement or not. The CM will beep and qualify a charge that is .2gr off (It's usual average) and in the heavy direction but as I said if I'm watching I see the signs of the error. Even with care I put the CM at +-.1 on precision. This is a long way of saying my system is not plug and play but accurate to a granule at a snails pace. I suppose I should get a lab scale since I love gadgets anyway but I doubt it will improve my shooting.</p></blockquote><p></p>
[QUOTE="o2bmark, post: 1603708, member: 6358"] I find nothing wrong at all with what you say. And from your entire list of variables I find the 1 granule of powder the least significant. It is however the easiest to remedy if you simply acquire expensive accurate scales which don't require much skill to operate. The other variables depend on personal skills and consistency thus harder to perfect or transfer to others (Art). The only brass I anneal every time are large magnums (300wm, 338L) while lower pressure about every 3rd. I admit I have not had great success at dependable single digit extreme spreads as others seem to (per labradar). It happens but not predictably. On scale issue I don't trust anything really. I have by ridiculous means calibrated what I have including test weights. In the end I usually use a Lyman M-5 ohaus that I modified and tuned. It will easily show a granule of extruded powder. It is somewhat of a pain. Every time I set it up I have figit with it to get it to settle the knives in the sweet spot (beam and pan) where it agrees with check weights. No jarring actions and careful placement of powder in pan and pan on scale. Tediously slow. I do use a chargemaster with sleeve in tube quite a bit. It is almost .2gr heavy on average. If I'm watching powder drop and readings climb as it finishes up I can tell if it is going to be a good measurement or not. The CM will beep and qualify a charge that is .2gr off (It's usual average) and in the heavy direction but as I said if I'm watching I see the signs of the error. Even with care I put the CM at +-.1 on precision. This is a long way of saying my system is not plug and play but accurate to a granule at a snails pace. I suppose I should get a lab scale since I love gadgets anyway but I doubt it will improve my shooting. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Need some advice on picking a scale.
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