The MAC-10 | Ultraviolet skin was added to Counter-Strike: Global Offensive in the Chroma Case on March 5, 2015 as part of the Chroma Collection.
The MAC-10 | Ultraviolet skin features a purple and black digital camouflage pattern on the weapon. It also has small scratches and wear around the edges.
The MAC-10 | Ultraviolet is a relatively common but still sought after skin. As a purple rarity Chroma skin, it has solid demand in the CS:GO skins market.