
Bert H.
Kingston, WA
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Forum Posts: 13100
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April 15, 2005

426crown said
Loading 40-70-320 anyone have safe load for Unique? I use 12 grains for 40-65-250. Thanks Bill
Bill,
I strongly would not recommend using Unique powder in that cartridge. Instead, load it with 24 grains of 4198.
Bert
WACA Historian & Board of Director Member #6571L

TXGunNut
Northern edge of the D/FW Metromess
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Forum Posts: 6567
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November 7, 2015
November 7, 2015

426crown said
I loaded the 40-70 with 5744, no one had info on Unique..Bill
It’s quite possible to work up safely from 8 grains of Unique with a half sheet of toilet paper as a spacer. I’m a big fan of 5744 for similar cartridges but it’s so dirty and stubborn to clean I’m beginning to see the light and dabbling with Bert’s favorite, 4198.
Mike
Life Member TSRA, Endowment Member NRA
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