| Exterior | Standard | Souvenir |
|---|---|---|
| Factory New0.00–0.07 | $0.21 | $1.16 |
| Minimal Wear0.07–0.15 | $0.04 | $0.56 |
| Field-Tested0.15–0.38 | $0.02 | $0.27 |
| Well-Worn0.38–0.45 | $0.03 | $0.60 |
| Battle-Scarred0.45–0.50 | $0.02 | $0.79 |
12 marketplaces · Battle-Scarred
Partners first, then lowest listed price on Oct 15, 2026; fees not included
Buff163
159 listed
$0.04
Youpin
28 listed
$0.04
HaloSkins
83 listed
$0.05
Skinport and CS.DEALS are affiliate partners of this site; links to the other marketplaces carry no referral.
Steam Market · Battle-Scarred
Steam listing| Recent sale | Price | Qty |
|---|---|---|
| Aug 10, 2026 | $0.07 | 1 |
| Aug 10, 2026 | $0.06 | 1 |
| Aug 9, 2026 | $0.06 | 1 |
| Aug 9, 2026 | $0.06 | 1 |
| Aug 9, 2026 | $0.06 | 1 |
Steam figures last updated Aug 10, 2026; they may be out of date.
Price history
Daily lowest prices on up to 15 marketplaces, last 180 daysAbout M4A4 | Mainframe
M4A4 | Mainframe (Battle-Scarred) is the Battle-Scarred version of M4A4 | Mainframe, an Industrial Grade M4A4 skin from The 2018 Nuke Collection, released Sep 1, 2018. Battle-Scarred copies of this finish have floats from 0.45 to 0.50. In SteamWebAPI's snapshot of Oct 15, 2026, the lowest price on a marketplace with 3+ listings was $0.02 on SkinBaron; 12 marketplaces listed it. The most recent Steam Community Market sale was $0.07.
More accurate but less damaging than its AK-47 counterpart, the M4A4 is the full-auto assault rifle of choice for CTs. A black and white circuit board pattern has been applied.
“At the heart of it all”
Case & collection
London 2018 Nuke Souvenir Package
18 finishes inside.
Katowice 2019 Nuke Souvenir Package
18 finishes inside.
Berlin 2019 Nuke Souvenir Package
18 finishes inside.
Stockholm 2021 Nuke Souvenir Package
18 finishes inside.
Antwerp 2022 Nuke Souvenir Package
18 finishes inside.
Rio 2022 Nuke Souvenir Package
18 finishes inside.
Paris 2023 Nuke Souvenir Package
18 finishes inside.
Copenhagen 2024 Nuke Souvenir Package
18 finishes inside.
The 2018 Nuke Collection
18 skins · released Sep 1, 2018
More from The 2018 Nuke Collection
14 of 17 other skins
M4A4 | Mainframe FAQ
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