Type III Hard Coat Anodizing
Now offering Flat Dark Earth anodizing (Greystone Defense Brown®)

Greystone Defense Finishing provides superior hard coat anodizing through multiple fully automated, high-volume production lines in Rhode Island and Virginia, that are specifically built to serve the firearms market. Custom designed tooling guarantees consistency of our anodizing process across various part types and colors including Greystone Defense Brown® (GDB®), a perfect complement to Flat Dark Earth (FDE).
Greystone Defense Finishing's custom, dedicated and proven MIL-A-8625 Type III hardcoat anodizing process ensures complete customer satisfaction. Our customer-focused, highly trained staff will provide dedicated assistance for your hardcoat anodizing requirements. We also have vast experience in supporting defense contracts and associated first article and certification requirements.
The benefits of hard coat anodizing include:
- Excellent corrosion resistance
- Superior wear resistance
Get an Anodizing Quote or GDB® Sample Today
Greystone is vertically integrated for multiple applications, and offers superior quality, large production capabilities, and expedited turnaround times.
For more information or to get a quote, contact our precision hard coat anodizing experts or call Greystone Defense Finishing at Greystone of Virginia at 757-566-8070. To see GDB® for yourself, request a free sample.



