Various guns were used, until a true dueling pistol was officially standardized in 1777, as "a 9 or 10 inch barreled, smooth bore flintlock of 1 inch bore, carrying a ball of 48 to the pound." ...

Under Russian legislation the cartridge is considered as a smooth bore gun ammunition. "Our idea was to create a weapon possessing parameters similar to those of the rifled one, which can be sold ...

Its primary armament includes a 120mm Smooth Bore gun capable of firing various types of ammunition, enhancing its effectiveness against armored targets. With a crew of four, it incorporates ...

Inside the cupboard, eight metal poles in polythene bags were also found – which screwed together to make a “smooth-bore zip” ...

They were arrested with 425 illegal live cartridges of .315 bore pistols and 400 illegal live cartridges of .32 bore pistols.