Quote:
Originally Posted by Thanis
I see. Caliber is more to do with the round size and is more of hand gun term? Cartridge more often used in rifle conversations?
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Caliber is simply the diameter of the round (a .22 is 0.22 inches across the bullet).
Cartridge is the actual loaded round, regardless of caliber. It is the cartridge that defines how powerful the load is.
There could exist a .50 caliber cartridge that only reaches 120fps.
Likewise, there could exist a .50 caliber cartrdge that reaches 4000fps.
The cartidge is what makes that difference in speed, even thought the caliber is the same.
I hope that helps (I probably made it sound confusing).