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CZ-USA -> CZ 527 VARMINT The barrel starts out as a short billit and is hammered around a mandrill. The outside shape is formed and the barrel is rifled by the mandrill. I think the machine costs...

Kaos are you talking about hammer forging a blade like they do some rifle barrels? My CZ's are hammer forged.

Jimmy, I think you are correct about those types of steel when used in forming dies etc. They are not hardened to the same degree for that use. Razors are hardened to the point of being brittle.

I think Keven is right. The blades are quite brittle. The hardening and tempering is understood and probably done properly on a quality blade.