Clear and Dyed Anodizing ( MIL-A- 8625 F     Type II, Class 1,2)

Stainless Steel Electropolishing

Hardcoat Anodizing (Mil 8625 F Type III Class 1,2) with or without Teflon

Stainless Steel passivation

Firearms Anodizing  & Parkerizing

Chromate  (Chemfilm )   MIL-DTL-5541F    TYPE II  CLASS 1A , CLASS 3

NO MINIMUMS !