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RWK · July 28, 2002, 07:37 AM

Two cautions re Hoppes (although I use it and trust it on many firearms):
1) For nickel alloy finished firearms, Hoppes can undermine the copper base-surface, if there are any cracks or chips in the nickel finish. This can lead to disintegration of the nickel finish.
2) Sig's senior gunsmith suggested (in a telephone call a few years ago) that Hoppes not be used for cleaning. Although many of us use Hoppes extensively, he explained that it is very hard on the "blue" anodized finish on Sig P series aluminum frames/receivers.

July 28, 2002, 07:37 AM	#18
RWK Senior Member Join Date: August 20, 1999 Location: Occupied Virginia Posts: 2,777	Two cautions re Hoppes (although I use it and trust it on many firearms): 1) For nickel alloy finished firearms, Hoppes can undermine the copper base-surface, if there are any cracks or chips in the nickel finish. This can lead to disintegration of the nickel finish. 2) Sig's senior gunsmith suggested (in a telephone call a few years ago) that Hoppes not be used for cleaning. Although many of us use Hoppes extensively, he explained that it is very hard on the "blue" anodized finish on Sig P series aluminum frames/receivers. __________________ __________________ Μολών λαβέ!