Now with anodizing in Rhode Island! Greystone is well-known in the commercial and defense small arms market for providing Mil-Spec coatings at a competitive price and unmatched customer service. Offering hard coat anodize (including blasting, dry film lubricants, engraving, FFL, and painting) and hard chrome (including chrome lining of barrels) and manganese phosphate, Greystone provides one-stop shopping for all of your Mil-Spec plating requirements. Simply put, we know the firearms market, we know the parts, and no one does it better than Greystone. ISO 14001, ISO 9001, IATF 16949 certified. (less)