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Joined: Nov 2003
Posts: 3,609
Campfire Tracker
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OP
Campfire Tracker
Joined: Nov 2003
Posts: 3,609 |
Most of the time when reloading for rifle I just weigh the charge since I only load a handful at at a time and it's not worth using a measure. A few months back I used my measure (Belding & Mull) to load up a full box. I was shooting for 45 grains and put 10 charges in the pan until 450 grains was met, actually 449.8 grains. This morning I was loading some more with the measure set at what should have been 45 grains but the scales (always zeroed) showed .6 grain light. In times past I've noticed a tenth or so off but, never this much. I had to recalibrate my measure for the correct amount. Is this a common occurrence?
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"
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Joined: Jun 2004
Posts: 11,114
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2004
Posts: 11,114 |
If it's a balance scale, possibly dirty pivots. If it's a digital scale, possibly error from temperature differences. Also, if the powder was left out, possibly a difference in the moisture content of the powder. Lots of possibilities.
Be not weary in well doing.
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Joined: Jun 2004
Posts: 44,814
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,814 |
Had the measure been adjusted to other settings in the mean time? If so, have you checked out its repeatability?
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Joined: Nov 2003
Posts: 3,609
Campfire Tracker
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OP
Campfire Tracker
Joined: Nov 2003
Posts: 3,609 |
denton, Yes it is a balance scale an Ohaus. I will give it a cleaning. I never leave powder left out but, always sealed in container.
mathman, Yes, I had adjusted it last week for a big load and the adjustment slide almost came out of the tube. Haven't checked repeatability.
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"
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