M4A4 (Mainframe) (Well-Worn) Inspect a WW copy in game
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M4A4 (Mainframe) (Well-Worn)

Industrial Grade Souvenir -7.2% · 8 d-21.1% · 28 d

M4A4 (Mainframe) (Well-Worn) is a Industrial-grade M4A4 skin in CS2. It drops from the London 2018 Nuke Souvenir Package.

Buy $0.030 CSFloat Sell $0.039 DMarket
Steam $0.060 +100% vs best Prices for Well-Worn, buyer fees included · 25 marketplaces compared below
Updated 9 d ago · how we price →

Item facts

Rarity Industrial Grade M4A4 Skins
Collection The 2018 Nuke Collection
Drops from London 2018 Nuke Souvenir Package case from $26.04
Sold / day ~1.3K all markets
Liquidity High how fast it sells
Fair price $0.048 suggested
202d range $0.02 – $0.04 lowest ask, min–max
Steam spread $0.080 -29% · ask vs buy order
Steam sales 30d 610 avg 20.3 / day

M4A4 (Mainframe) (Well-Worn) prices across 16 markets

Selling this skin? See what you’d get →
Official
Steam Market
No cash-out Bank card · PayPal
$0.060 +100% more than CSFloat
View
Best Price
CSFloat
P2P 19 offers
$0.030 −50% vs Steam
View Deal
#2
Skinport
Marketplace 1 offer KYC
$0.030
View Deal
#3
BUFF163
China market 15 offers KYC
$0.033 +$0.00
View Deal
#4
Haloskins
Marketplace 177 offers KYC
$0.040 +$0.01
View Deal
#5
Youpin
China market 33 offers KYC
$0.053 +$0.02
View Deal
#6
WhiteMarket
P2P 194 offers KYC
$0.060 +$0.03
View Deal
#7
DMarket
Marketplace 18 offers
$0.070 +$0.04
View Deal
#8
ECOSteam
China market 196 offers KYC
$0.072 +$0.04
View Deal

Each price is the total you pay, buyer fees included. The dot shows how well the venue fits your region. How we price →

Price history $0.030 0% · 202d

Lowest ask · 89 snapshots since Apr 12, 2026 · dashed = a gap over a week

Same collection (The 2018 Nuke Collection): Nuclear Garden · Acheron · Control Panel · Cold Fusion · Facility Sketch · Coolant · All 18 items →

More from M4A4 Skins

All →
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M4A4 (Asiimov)
M4A4 (Asiimov) Covert
$68.70 26 marketplaces
-4% · 28 d
Popular 90%
M4A4 (Bullet Rain)
M4A4 (Bullet Rain) Covert
$61.40 25 marketplaces
+1% · 28 d
M4A4 (Global Offensive)
M4A4 (Global Offensive) Mil-Spec
$13.32 25 marketplaces
+22% · 28 d
M4A4 (Daybreak)
M4A4 (Daybreak) Restricted
$376.14 23 marketplaces
-6% · 28 d

M4A4 (Mainframe): design, wear and market

Trade-up position

This + 9 more Industrial Grade from The 2018 Nuke Collection craft into one of:

AWP (Acheron)MP5-SD (Co-Processor)P250 (Exchanger)P90 (Facility Negative)
Trade-up calculator →
Market read

Across 25 markets the WW floor moved 0% in 202 days: $0.030 → $0.030.

Cheapest venue vs Steam right now: $0.030 apart (50%).

Sources: Valve item data · our 25-market price snapshot.
How much does M4A4 (Mainframe) cost?

M4A4 (Mainframe) is listed from $0.030 on 25 marketplaces, every price with buyer fees in. Wear floors: FN $0.110 · MW $0.040 · FT $0.023 · WW $0.030 · BS $0.030. Steam asks $0.060 for the same listing.

Where can I sell or cash out M4A4 (Mainframe)?

The best net payout right now is $0.039 on DMarket after its seller fee — the Sell tab ranks every venue. Steam pays $0.360 into your wallet, but Steam funds cannot be withdrawn as real money.

Does M4A4 (Mainframe) come in StatTrak or Souvenir?

Yes: Souvenir (from $0.617) versions trade alongside the standard one. Switch with the Quality pills above and the whole page recalculates.

How do I get M4A4 (Mainframe)?

The drop source is London 2018 Nuke Souvenir Package, itself listed from $26.04; the direct market price starts at $0.030. Opening containers for one specific skin rarely beats buying it outright.