Explanatory notes
… this heading include : (1) Parts for military weapons , e.g., liners (tubes for barrels), recoil mechanisms and … and target shooting guns, etc., revolvers and pistols , e.g., barrels, breeches, locks, trigger guards, tumblers, … Parts of general use as defined in Note 2 to Section XV (e.g., screws, rivets and springs), of base metal ( Section …