A rifled barrel is a type of gun barrel that has spiral grooves cut into its interior surface. These grooves help to spin the bullet as it travels down the barrel, which stabilizes its flight and improves accuracy. This design is commonly found in firearms like rifles and handguns, making them more effective for hitting targets at longer distances. The spinning motion created by the rifling allows bullets to maintain a straighter path, reducing the chances of wobbling or veering off course. This technology has been crucial in the development of modern firearms, enhancing the performance of weapons used by both military and civilian shooters.