13 All firearms, ammunition, firearm accessories, firearm parts, and related equipment including air pistols, gun and rifle barrels, firearm breeches, carbines, cartridge cases, belts, pouches, loaders, gun cleaning equipment, gun cotton, explosives, tear gas weapons, gun carriages, gun and rifle cases, gun parts including hammers, trigger guards and stocks, hunting firearms, lead shot, machine guns, mortars, powders, pyrotechnic products, revolvers, rifles, pistols, gun straps and holders, gun sights, shooter's rests