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# Which is larger 30 gauge or 20 gauge?

Updated: 9/28/2023

Wiki User

13y ago

There is no "30 guage" firearm. The term Gauge is used to denote the diameter of a shotgun barrel- the smaller the number, the larger the barrel. Rifles and handguns are denoted in calibers- caliber being one inch, and expressed as decimal fractions in 1/100th of an inch. If you are trying to compare a 20 gauge shotgun to a .30 caliber rifle, the 20 guage is about .690 caliber, versus .308 caliber for the rifle. Shotgun is much gigger in this case.

But if there were a 30 gauge, the 20 gauge would be larger.

Wiki User

13y ago

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Q: Which is larger 30 gauge or 20 gauge?
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