The Firing Line Forums - View Single Post - Strengthening weak spring on CVA percussion pistol

mete · March 3, 2006, 10:51 AM

You're talking about rehardening the spring. The spring has to be heated to cherry red , quenched in oil .Then it has to be tempered which can be done with a small amount of oil , enough to cover the spring, and burn the oil off. "cool very slowly" is NOT the way !!

March 3, 2006, 10:51 AM	#2
mete Senior Member Join Date: June 14, 2004 Location: NY State Posts: 6,575	You're talking about rehardening the spring. The spring has to be heated to cherry red , quenched in oil .Then it has to be tempered which can be done with a small amount of oil , enough to cover the spring, and burn the oil off. "cool very slowly" is NOT the way !!