Weighing a complete cartridge.
Just thought I'd tell why I would want to weigh a loaded cartridge.I compared my hand loads with Federal Factory loads. I found from 6 random cartridge's there was a 3.3 grain difference on both mine...
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I think you are chasing a wild goose here.Unless you are using EXACTLY the same lot of brass from that manufacturer, you will have a difference in the weight of the brass. Sometimes several grains....
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I had a box of, white box, factory Winchester 308. A couple rounds seemed a little hot. I pulled the bullets and weighed each of the remaining rounds. I came up with as much as a 10 grain...
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Re: Weighing a complete cartridge.
shotout wrote: A grain of powder is still a grain no matter what lot it comes from.Read More
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Just one thing to say: if the difference in weight was in the powder those 10 grains heavier were dangerous as heck. If the 10 grains difference was in the cases (my guess) then there was less space...
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I weighed some new bullets and found a 3 grain difference in the bullet weight.In my next reply about the new Winchester 308 that seemed hot I should have said I weighed the powder from each of the...
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The weight of a pound of cotton will be the same as a pound of lead. "A grain is a grain."The volume isn't quite the same. How big is the pile of cotton compared to the lead? Volume equals size.A...
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I do understand what you are saying about the Volume measure not being as consistent as a weighing measure, I also under stand that I don't expect a commercial assembly line to be as consistent as...
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Re: Weighing a complete cartridge.
I have been hand loading for about 6 years now.If I did not understand the difference in the different powders having a different displacement in volume in the relation to actual weight. I would have...
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With all due respect, I find a 10 grain variance in powder charge hard to believe. In a .308 that's nearly 25%, way beyond a reasonable tolerance.
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With all due respect you could down load a 20 round box of factory ammo, "if you happen to notice the first one or two seems a bit hot", and weigh the powder charges. Just like I did.Up date on...
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What kind of scale are you using? Factory ammo is loaded by powder volume. Not individual weighed powder charges. A whole cartridge may have considerable variation when all the components are...
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Where did I say US factory ammo was hotter? I said I ran across {one} box that was as I said. I had fired several boxes of this ammo with no problem. Then one round told me to check something. It was...
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Ah, things are a little clearer. You had 4 boxes of the .308 and several rounds in one box seemed "hotter". Did you fire all the boxes in one range trip?
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I fired the three boxes over a period of about 2 months. In the same climate season, then started on the forth box when I discovered the hot loads. I pulled the rest of the bullets in that box and...
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