What Does the Grain Number of a Bullet Mean?


The grain number of a bullet is basically how much it weighs. Lower grain travels faster, but since it's lighter it won't have as much of an impact as higher grain bullets. Since the agreement that standardised such measurements (the International Yard and Pound Agreement of 1959), a grain is about 64.789 milligrams. About 15.432 grains equals one gram.
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