Nickel Plating, has been extensively used in the firearm’s industry for close to 100 years. Nickel finishes have a slight yellow cast to them and this coloring gives Nickel a softer appearance when applied to firearms.
Matte Nickel Finishes do not show flaws like Chrome does because of softer coloring. Also, Nickel Plating solutions have chemicals in them that enhances the ability of the plating to fill in and fully cover the flaws that cannot be removed. Nickel Plated Finishes, in general, run about a 45 R.C.