January 2015 – Hammer forged barrels are not well thought of by precision rifle shooters, but a critical manufacturing process used by the hammer forging guys is suddenly getting attention from custom barrel makers today. It’s honing. Honing produces a high-quality bore surface fast, which is critical to hammer forging. Surface imperfections in a barrel blank before hammer forging will tend to be amplified as the blank is formed on the rifling mandrel. And if the bore is chromed afterward, imperfections in the surface finish become even more obvious. Surface finish is the one feature of the barrel that cannot …read more
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