20-gauge shotgun

The 20-gauge shotgun is a type of smoothbore shotgun shell that is smaller in caliber (.615) than a 12 gauge (.729). It is often used as a beginning shooter's practice round and is noted by its yellow hull.

20-gauge shotgun

The 20-gauge shotgun is a type of smoothbore shotgun shell that is smaller in caliber (.615) than a 12 gauge (.729). It is often used as a beginning shooter's practice round and is noted by its yellow hull.