Definitions for "PARKERIZING"
A chemical treatment applied to ferrous metals to improve their corrosion resistance. The process is based on a manganese phosphate solution which produces a fairly thick coating. This can subsequently be painted or impregnated with oil.
A non-reflecting, rust-resistant finish used on metal surfaces of some firearms. Also called Phosphatizing or Phosphate Coating.
A matted rust-resistant oxide finish, usually gray or gray-green in color, found on military guns.