UMP-45 | Bone Pile was added to the game on September 19, 2013, as part of The Bravo Collection, which was released alongside the start of Operation Bravo.
The receiver and thу buttstock are painted khaki and complemented by a translucent pattern resembling a diagram. The background is complemented with an image of a pile of skulls painted in gray and beige colors. The magazine, the handle and individual parts of the body are not painted.
Float Value of the skin ranges from 0.06 to 0.34, which makes UMP-45 | Bone Pile only available in Factory New, Minimal Wear and Field-Tested conditions. Small abrasions are already present on the body of the weapon in Factory New condition. At levels of wear close to the maximum, the number and size of abrasions increase.
The pattern index affects the texture overlay. Rare or special variations of the pattern are absent.
The quality of UMP-45 | Bone Pile is Mil-Spec Grade. The skin has a StatTrak option.
At the moment, UMP-45 | Bone Pile is not on the list of popular skins and is rarely seen in the game.