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Oliver Sudden · April 30, 2018, 11:36 PM

You’ve got the best book for working a Colt so read and enjoy your project. The green is verdigris and may have been caused by the olive oil. The copper in the brass is being effected, not to worry with a heavy part like that. Try using one of the good products made for storage like “Rig” to avoid this condition. At this point hot soapy water with good rinse of the brass will stop the corrosion and leave the color you like.

April 30, 2018, 11:36 PM	#4
Oliver Sudden Senior Member Join Date: January 7, 2017 Location: Colorado Posts: 272	You’ve got the best book for working a Colt so read and enjoy your project. The green is verdigris and may have been caused by the olive oil. The copper in the brass is being effected, not to worry with a heavy part like that. Try using one of the good products made for storage like “Rig” to avoid this condition. At this point hot soapy water with good rinse of the brass will stop the corrosion and leave the color you like. Last edited by Oliver Sudden; May 1, 2018 at 09:36 AM.