Tag Archives: SR90

ROBAR Firearms NP3 Finish

By Mark V. Lonsdale – STTU Over the years I have tried several finishes on my handguns and rifles, to include conventional gun blue, Pakerizing, black phosphate, hard chrome, electroless ┬ánickel plating, Roguard and NP3. Of all of these, NP3 … Continue reading

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