Thread: Imr 4198
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Old May 2, 2005, 12:11 AM   #6
Leftoverdj
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Join Date: October 15, 2004
Posts: 934
An ancient Dupont gimme booklet shows max charges of IMR 4198 in the 7x57 as follows:

130 grain 29.0 2365 fps
145 29.0 2260
160 28.5 2135

Same booklet shows 27.5 grains under a 120 in a .257 Roberts. That's enough info so I would be willing to use 26.0 grains of IMR 4198 under a 120 grain bullet in the 6.5x55 as a starting load.
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