One More Time, Eric Cortina is not Speedy Gonzalez, Speedy is one of the finest Gunsmiths in the nation as well as a competitive shooter and the list goes on He is the "S" in Redding "S Type" Dies , As for the CLR it has already been pointed out what it will do to bluing #19 and steel rust's on it's own left unattendedAs I have NO experience with using CLR to clean guns i would recommend if you are going to use it on a non-stainless firearm to first take a piece steel and do a test application to see if it causes the steel to rust.
I watched a video by Eric Cortina AKA Speedy Gonzalez and he showed CLR didn't harm his stainless steel muzzlel bake, but I have no idea if it will harm chrome molly steel.
Possibly others here who have used CLR to clean chrome molly guns can add their experiences about if CLR is safe or not.
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