Nitride’s a barrel finish created through a salt bath nitriding process, which hardens the steel surface for enhanced durability, corrosion resistance, and reduced friction. This finish’s commonly used on AR-15 and AR-10 barrels, bolt carrier groups, gas blocks, and other small steel components. Nitride treated parts are popular among shooters and builders for their longevity, easy maintenance, and improved wear resistance compared to traditional finishes.
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