M4A4 (Mainframe) (Field-Tested) Inspect a FT copy in game
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M4A4 (Mainframe) (Field-Tested)

Industrial Grade Souvenir -2% · 8 d-38.3% · 28 d

M4A4 (Mainframe) (Field-Tested) 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 $0.049 suggested
202d range $0.01 – $0.03 lowest ask, min–max
Steam spread $0.080 -29% · ask vs buy order
Steam sales 30d 610 avg 20.3 / day

M4A4 (Mainframe) (Field-Tested) prices across 19 markets

Selling this skin? See what you’d get →
Official
Steam Market
No cash-out Bank card · PayPal
$0.050 +117% more than BUFF163
View
Best Price
China market 842 offers KYC
$0.023 −54% vs Steam
View Deal
#2
P2P 343 offers
$0.030 +$0.01
View Deal
#3
Marketplace 32 offers KYC
$0.030 +$0.01
View Deal
#4
Trade / swap 1 offer
$0.030 +$0.01
View Deal
#5
Marketplace 9 offers KYC
$0.030 +$0.01
View Deal
#6
Marketplace 556 offers KYC
$0.040 +$0.02
View Deal
#7
P2P 528 offers KYC
$0.040 +$0.02
View Deal
#8
China market 145 offers KYC
$0.045 +$0.02
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 $0.023 -23% · 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 FT floor moved -23.3% in 202 days: $0.030 → $0.023.

Cheapest venue vs Steam right now: $0.027 apart (54%).

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

M4A4 (Mainframe) is listed from $0.023 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 $0.050 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 Steam pays $0.360 into your wallet, but Steam funds cannot be withdrawn as real money.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 $0.210) 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 $0.023. Opening containers for one specific skin rarely beats buying it outright.