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Gunplummer · November 9, 2012, 06:36 PM

Cast iron is easily hardened. It is loaded with carbon. There are high end shops doing new high pressure guns. Read an article in a machining magazine. Did not sound affordable.

November 9, 2012, 06:36 PM	#19
Gunplummer Senior Member Join Date: March 11, 2010 Location: South East Pa. Posts: 3,364	Cast iron is easily hardened. It is loaded with carbon. There are high end shops doing new high pressure guns. Read an article in a machining magazine. Did not sound affordable.