Quote:
Bramble: Chrome plating can be easily stripped out of shotgun bores by plugging the muzzles, then filling with a 25% sodium hydroxide solution. A naked wire is suspended in the barrel and a 250 milli-amp current run through it.
PS: I just found this link, which gives a more reliable recipe but says the fumes are toxic (knew that) and that the resulting solution must be disposed of as toxic waste (didn't know that!).
http://www.nmfrc.org/crarchive/jun02b.cfm
Never wondered why the wife's flowers died overnight?
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