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This cartridges box from the 1950's describes a 220 grain soft point bullet. This refers to the weight of the bullet and not how much gunpowder is in the cartridge case. The original M1906 .30-06 cartridge consisted of a 150 grain jacketed bullet. After WWI the weight of the bullet was increased to 173 grain for military use. Contemporary .30-06 bullet weights range from 110 to 220 grains.The box of cartridges in the illustration above from the 1950's describes a 220 grain soft point bullet. This refers to the weight of the bullet and not how much gunpowder is in the cartridge case. The original M1906 .30-06 cartridge consisted of a 150 grain jacketed bullet. After WWI the weight of the bullet was increased to 173 grain for military use. Contemporary .30-06 bullet weights range from 110 to 220 grains.