20-gauge shotgun
A 20-gauge shotgun, also known as 20 bore or 20 gauge, is a type of smoothbore shotgun. Twenty-gauge shotguns have a bore diameter of .615 in (15.6 mm), while a 12-gauge shotgun has a bore diameter of .729 in (18.5 mm).
A 20-gauge shotgun, also known as 20 bore or 20 gauge, is a type of smoothbore shotgun. Twenty-gauge shotguns have a bore diameter of .615 in (15.6 mm), while a 12-gauge shotgun has a bore diameter of .729 in (18.5 mm).
A 20-gauge shotgun, also known as 20 bore or 20 gauge, is a type of smoothbore shotgun. Twenty-gauge shotguns have a bore diameter of .615 in (15.6 mm), while a 12-gauge shotgun has a bore diameter of .729 in (18.5 mm).
Source: Wikipedia "20-gauge shotgun" · CC BY-SA 4.0
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