Andy - that link pertains to Swiss 1.5-F. As previously stated, the granulation of 1.5 F is closest to the old Goex grade and it works great in my cartridge guns. But, it doesn't mean that all Swiss powders having the crossed rifle label are intended for cartridge use.You have to click on black powder and look at all the different types.
Here's the other one read the description.
Black Powder for Sale for Muzzle Loaders and Cartridge Rifles - Buffalo Arms
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