The UMP-45 | Bone Pile skin was added to the Huntsman Collection on October 10, 2018.

This skin features a bone and wooden stake theme. The main body of the weapon has bones wrapped around it with wooden stakes driven through. The magazine also has bones and stakes on it.

• DefaultThe standard version of the skin
• StatTrakTracks confirmed kills with this weapon
• SouvenirDropped during Majors and has a Gold tournament sticker

The UMP-45 is a moderately popular SMG and the Bone Pile skin has average demand compared to other UMP skins.