Final answer:
Rifles, shotguns, and handguns differ mostly based on their ammunition type. Different types of firearms use different ammunition, which affects their range, accuracy, and stopping power.
Step-by-step explanation:
Rifles, shotguns, and handguns differ mostly based on their ammunition type. Different types of firearms use different ammunition, which affects their range, accuracy, and stopping power. For example, rifles typically use small-caliber, high-velocity ammunition, while shotguns use shells loaded with multiple pellets or slugs, and handguns use various types of ammunition depending on their intended use.