Rifles shotguns and handguns differ mostly based on their?

Rifles, shotguns, and handguns differ primarily based on their design and intended use. Rifles are characterized by long barrels and rifled bores, allowing for greater accuracy over long distances. Shotguns have smooth barrels and are designed to fire multiple pellets or a single slug, making them effective at close range. Handguns, being compact and designed for one-handed use, are typically used for self-defense or sport shooting.