Explanatory notes
… levers, percussion hammers, cocking pieces, triggers, sears, extractors, ejectors, frames (of pistols), plates, … sights, magazines. (3) Protective covers and protective cases , for butts, sights, barrels or breeches. (4) Morris … : (a) Parts of general use as defined in Note 2 to Section XV (e.g., screws, rivets and springs), of base metal …