M4A4 (Mainframe) (Factory New) Inspect a FN copy in game
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M4A4 (Mainframe) (Factory New)

Industrial Grade Souvenir 0% · 8 d-4% · 28 d

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

Item facts

Rarity Industrial Grade M4A4 Skins
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 $0.216 suggested
202d range $0.07 – $0.44 lowest ask, min–max
Steam spread $0.080 -29% · ask vs buy order
Steam sales 30d 610 avg 20.3 / day

M4A4 (Mainframe) (Factory New) prices across 24 markets

Selling this skin? See what you’d get →
Official
Steam Market
No cash-out Bank card · PayPal
$0.320 +191% more than UUSKINS
View
Best Price
Marketplace 2245 offers
$0.110 −66% vs Steam
View Deal
#2
Marketplace 10 offers KYC
$0.210 +$0.10
View Deal
#3
China market 1563 offers KYC
$0.216 +$0.11
View Deal
#4
Instant sell 87 offers KYC
$0.220 +$0.11
View Deal
#5
Instant sell 50 offers
$0.230 +$0.12
View Deal
#6
Instant sell 4 offers
$0.230 +$0.12
View Deal
#7
Marketplace 77 offers
$0.230 +$0.12
View Deal
#8
Instant sell 11 offers
$0.230 +$0.12
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 $0.110 -74% · 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 →

M4A4 (Mainframe): design, wear and market

Trade-up position

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

Trade-up calculator →
Market read

Across 25 markets the FN floor moved -73.8% in 202 days: $0.420 → $0.110.

Cheapest venue vs Steam right now: $0.210 apart (66%).

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

M4A4 (Mainframe) is listed from $0.110 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 $0.320 for the same listing.

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

The best net payout right now is $0.235 on CSFloat 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 Steam pays $0.360 into your wallet, but Steam funds cannot be withdrawn as real money.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 $1.19) 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 $0.110. Opening containers for one specific skin rarely beats buying it outright.