HSN Code 9303 refers to "Firearms and similar devices which operate by the firing of an explosive charge, e.g. sporting shotguns and rifles, muzzle-loading firearms, Very pistols and other devices designed to project signal flares only, pistols and revolvers for firing blank ammunition, captive-bolt humane killers and line-throwing guns (excluding revolvers and pistols of heading 9302 and military weapons)." This classification code is essential for identifying firearms and related devices for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 9303 include sporting shotguns, hunting rifles, muzzle-loading firearms, blank-firing pistols, and line-throwing guns. Additionally, the GST rate for firearms and similar devices under this code ensures accurate trade compliance.