new as in never put on a gun…
i bought these and had them melonited by H&M and never ended up using them on a gun…
Black Nitride goes by a few names, Ferritic Nitrocarburizing, Melonite, SBN “salt bath nitriding”, QCP and Tenifer, that are all names for the same thing
https://sites.google.com/site/freeballisticcalculator/black-nitride-melonite-and-qpq
165$ shipped… or BO…