| | A handgun with a rotating cylinder that holds multiple rounds, typically between five and eight. Known for its reliability, it is commonly used in both civilian and law enforcement applications. |
| | A handgun that automatically chambers the next round after firing, allowing for rapid successive shots. Popular for self-defense, law enforcement, and military sidearms. |
| | A single-shot firearm that requires manual loading of powder and ball from the muzzle end. Common before the advent of breech-loading firearms, it was often used in duels or as a last-resort weapon in combat. |