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Thanks y'all! I always just assumed that since it said grains it just HAD to be talking about grains of powder.
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one of the biggest points of confusion for people just getting into shooting is the use of "grain" weight.
"Grain" weight as used in the weight of bullets and powder comes from the Avoirdupois system of measure, the one in common use in the US. Grain weight was and is used for small amounts of weight, and sometimes is called the Apothecary system, because it was commonly used by chemists and druggists.
1 pound = 7000 grains
1 ounce = 437.5grains
The confusion with powder comes from the most common word to describe the individual powder kernels, the word "grain". When we say a 40gr powder charge, we are talking about 40
grain weight of powder,
NOT 40 individual kernels of powder, be they flakes, sticks, or little spheres.
Hope this helps