Originally Posted By: italiansxs
Oil on the exterior of a firearm attracts fine particles of airborne grit. Every time you wipe a gun down with more oil you're rubbing this abrasive grip into it. Nuff said!
Jim


I don't think oil actually "attracts" grit, but is certainly prone to capturing grit. Wax, on the other hand, forms a hard "shell" that will abrade away, but provides both corrosion protection and abrasion protection while in place.