Explanatory notes
… (1) Parts for military weapons , e.g., liners (tubes for barrels), recoil mechanisms and breeches for guns of all … safety catches, cylinders (for revolvers), front and back sights, magazines. (3) Protective covers and … ebonite, etc.) for revolvers and pistols. (6) Slings, band, piling or stacking and butt swivels and swivel bands …