C4's Standard coating, mil std. type III hardcoat in black. This is the most durable and scratch resistant anodizing available for fire-arms today. If you desire custom colors or patterns, we recommend you visit our Cerakote section. Engraving can be performed either before or after anodizing for any custom look you desire.
C4 Precision offers anodizing and Cerakote services
Engraving before anodizing (right)
Engraving after anodizing (below)