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Old 06-12-2005, 02:37 PM
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Roskoe
 
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Join Date: Mar 2005
Location: Colorado
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Default RE: Differences in commercial brass?

Charlie - I have done the same for years with .45 ACP brass. Don't even look at the headstamp - just load them. No problem. Have not enjoyed the same luck with CF rifle. In fact, you will find that certain lots of brass of the same headstamp can show pressure signs that were never evident before. Same thing with lots of bullets and powder. I have found, generally, that Winchester brass is a little thinner and tougher than Remington brass. And Federal brass isn't even worth the effort to bend over and pick up. Military cases run heaviest of all.

An old rule of thumb for loading brass that differs in average weight from what you were using before is to weight ten cases of each - calculate the average - and reduce (or increase) the load by 10% of the difference in average case weight. So if your Winchester .308 cases weigh 237 grains, and the Lake City cases weigh 257 grains; then you would reduce the load by 2.0 grains when you switch to the Lake City brass.
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