CASE-SIMCASE-SIMCASE-SIM
Found in London 2018 Nuke Souvenir Package, Katowice 2019 Nuke Souvenir Package, Berlin 2019 Nuke Souvenir Package, Stockholm 2021 Nuke Souvenir Package, Antwerp 2022 Nuke Souvenir Package, Rio 2022 Nuke Souvenir Package, Paris 2023 Nuke Souvenir Package, Copenhagen 2024 Nuke Souvenir Package, Shanghai 2024 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Package, Budapest 2025 Nuke Souvenir Package, Austin 2025 Nuke Souvenir Highlight Package, Budapest 2025 Nuke Souvenir Highlight Package, The 2018 Nuke Collection
Also found in
Katowice 2019 Nuke Souvenir Package
Berlin 2019 Nuke Souvenir Package
Stockholm 2021 Nuke Souvenir Package
Antwerp 2022 Nuke Souvenir Package
Rio 2022 Nuke Souvenir Package
Paris 2023 Nuke Souvenir Package
Copenhagen 2024 Nuke Souvenir Package
Shanghai 2024 Nuke Souvenir Package
Austin 2025 Nuke Souvenir Package
Budapest 2025 Nuke Souvenir PackageAustin 2025 Nuke Souvenir Highlight PackageBudapest 2025 Nuke Souvenir Highlight Package
The 2018 Nuke CollectionMore items from the London 2018 Nuke Souvenir Package
Other M4A4 finishes available in CS2
Other Industrial Grade drops from the same case
The M4A4 Mainframe is the CT-side automatic rifle offering a 30-round magazine and reliable spray. The Mainframe finish transforms the default M4A4 model with a unique visual style. This skin can be found in 14 different cases, giving you multiple ways to unbox it.
The M4A4 Mainframe is classified as Industrial Grade rarity. While more common drops are easier to obtain, this tier still offers good value and visual appeal for its price point.
The M4A4 Mainframe is currently available in 5 wear conditions. Prices range from $0.04 for Field-Tested up to $0.49 for Factory New. The spread between conditions reflects how much the visual appearance changes across float values.
Float values range from 0 to 1 — lower means fewer scratches and a cleaner look. Factory New skins with extremely low floats are rarer and typically valued higher by collectors and traders.
The M4A4 Mainframe trades at prices influenced by wear condition, current player demand, and market supply. Prices tend to fluctuate around major CS2 updates and esports events.
The M4A4 Mainframe drops from the London 2018 Nuke Souvenir Package and 13 other cases. Your odds depend on the Industrial Grade drop rate for that specific case. Try it risk-free in our simulator to see how often it appears.
Open the London 2018 Nuke Souvenir Package in our free CS2 case simulator to see your chances of landing the M4A4 Mainframe. Real drop rates, no money required.
Browse every CS2 case in the simulator and discover new skins to chase. Each case features unique weapon skins and the chance to unbox rare knives and gloves.
