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Tenifer finish is not the outer finish it is the chemical finish (like a primer) applied to the metal then the final outer finish is applied to it Glock's traditional hardening process was a simple nitro carburizing process which is a QPQ metal treatment known as MELONITE, which has two other synonymous trade names: Tenifer and Tufftride.
Christopher, finishes are the same metal wise. The newer "Black" finishes are just a more flat black finish compared to the original Tennifer process' finish. And yes Tennifer is highly scratch resistant.
Tenifer finish is not the outer finish it is the chemical finish (like a primer) applied to the metal then the final outer finish is applied to it Glock's traditional hardening process was a simple nitro carburizing process which is a QPQ metal treatment known as MELONITE, which has two other synonymous trade names: Tenifer and Tufftride.
