M4A4 | Mainframe was added to the game on September 3, 2018, as part of The Nuke Collection, which was released alongside the “FACEIT 2018 - Ways to Watch” update.
The central part of the weapon and the barrel are adorned with a black-and-gray pattern resembling a circuit board. The remaining parts of the rifle are not painted.
Effect of float
Float Value of the skin is limited from 0.00 to 0.50, which makes M4A4 | Mainframe available in all conditions. The first abrasions appear on the body of the rifle in Minimal Wear condition. At levels of wear close to the maximum, the painted parts of the weapon have significant abrasions
The quality of M4A4 | Mainframe is Industrial Grade. The skin has a souvenir option.
M4A4 | Mainframe is not on the list of popular skins and is rarely seen in the game.
The pattern index affects the texture overlay. Rare or special variations of the pattern are absent.