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Old September 28, 2000, 12:36 PM   #8
Mike Irwin
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Join Date: April 13, 2000
Location: Northern Virginia
Posts: 41,374
When my father and I were shooting trap actively I would buy 8-lb cans.

The couple of times those weren't availble, we would get smaller containers, once 8 1-lb. cans (got a price VERY close to the 8-lb. can price).

When we had to get several smaller cans, we would dump all of them into a large plastic tub, mix thoroughly, and repackage in an empty 8-lb. container. We would always put in the last remnants of the previous batch, too.

What you DO have to do when you do this, though, is rework your loading data.

If you're at the low to middle end of the range, you should be OK. But, if you're using a charge that is within 10 to 20 percent of the maximum, DROP BACK to get into the low end and work your way back up.

Different lots, and even different cans, of the same powder can have slightly different burning characteristics.

I would NOT, however, mix new powder with one that was several years old.

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