There is no absolutely way to get oil inside brass with this 'gun oil & plastic bag' treatment. Somebody just please go ahead and try out, you'll see for yourself.
Start sparingly and add more if needed. That way no irreversible damage is done. (Well not irreversible, but very labour intensive at least).
-Artsi
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A golf course is a waste of perfectly good rifle range. (- someone in the net-)
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