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rg1 · June 24, 2012, 08:40 AM

Montana Extreme bore cleaner, copper killer, and conditioner. Best I've used and fastest plus it's safe on metals. Strong smell, use outside or in a ventilated garage etc.
http://www.montanaxtreme.com/

June 24, 2012, 08:40 AM	#10
rg1 Senior Member Join Date: November 6, 2001 Posts: 1,125	Montana Extreme bore cleaner, copper killer, and conditioner. Best I've used and fastest plus it's safe on metals. Strong smell, use outside or in a ventilated garage etc. http://www.montanaxtreme.com/