M4A4 | Mainframe (Field-Tested) price — from $0.02
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CS2Price › M4A4 | Mainframe › M4A4 | Mainframe (Field-Tested)

M4A4 | Mainframe (Field-Tested)

M4A4 | Mainframe (Field-Tested) — CS2 skin image, Industrial Grade rarity

M4A4 | Mainframe (Field-Tested) is a Industrial Grade CS2 skin from The 2018 Nuke Collection, float 0.15–0.38. Tracked on 9 markets: cheapest at $0.02 (BUFF163), highest at $0.05, a 150% spread.

M4A4Industrial GradeField-Tested

All prices & listings →

$0.02cheapest · BUFF163
150%spread between markets
$0.04instant sell · Market.CSGO
$0.04net when listed · Steam

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

Where to buy M4A4 | Mainframe (Field-Tested) cheapest

#MarketPrice
1BUFF163$0.02
2CS.MONEY$0.02
3Skinport$0.02
4CSFloat$0.03
5YouPin898$0.03
6Market.CSGO$0.04
7Steam$0.05
8LIS-SKINS$0.19
9Waxpeer$0.25

Full comparison with history, live listings and a float filter — on the M4A4 | Mainframe (Field-Tested) comparison page.

Sell instantly: buy orders

MarketOrderYou receive
Market.CSGO$0.04 × 207$0.04
BUFF163$0.01$0.01

"You receive" is net of the marketplace fee.

How to get it via trade-up

Our database has 1 trade-up contract(s) with this outcome. Best one: inputs cost $0.19, chance 25.0%, The 2018 Nuke Collection collection.

Price history

135 2026-07-25: from $0.03 to $0.052026-07-26: from $0.02 to $0.282026-07-27: from $0.05 to $0.052026-07-28: from $0.02 to $0.282026-07-29: from $0.02 to $0.252026-07-30: from $0.02 to $0.262026-07-31: from $0.03 to $0.242026-08-01: from $0.03 to $0.252026-08-02: from $0.04 to $0.082026-08-03: from $0.03 to $0.262026-08-04: from $0.03 to $0.272026-08-05: from $0.04 to $0.062026-08-06: from $0.03 to $0.802026-08-07: from $0.03 to $0.802026-08-08: from $0.03 to $0.812026-08-09: from $0.05 to $0.072026-08-10: from $0.03 to $0.812026-08-11: from $0.02 to $0.062026-08-12: from $0.03 to $0.812026-08-13: from $0.03 to $0.282026-08-14: from $0.03 to $0.282026-08-15: from $0.03 to $0.072026-08-16: from $0.02 to $0.072026-08-17: from $0.02 to $0.282026-08-18: from $0.04 to $0.092026-08-19: from $0.04 to $0.092026-08-20: from $0.05 to $0.282026-08-21: from $0.03 to $0.282026-08-22: from $0.03 to $0.082026-08-23: from $0.06 to $0.072026-08-24: from $0.06 to $0.282026-08-25: from $0.03 to $0.282026-08-26: from $0.05 to $0.332026-08-27: from $0.04 to $0.322026-08-28: from $0.03 to $0.322026-08-29: from $0.06 to $0.322026-08-30: from $0.05 to $0.282026-08-31: from $0.04 to $0.332026-09-01: from $0.02 to $0.342026-09-02: from $0.04 to $0.342026-09-03: from $0.03 to $0.862026-09-04: from $0.02 to $0.332026-09-05: from $0.04 to $0.332026-09-06: from $0.05 to $0.322026-09-07: from $0.02 to $0.322026-09-08: from $0.04 to $0.322026-09-09: from $0.04 to $0.312026-09-10: from $0.03 to $0.312026-09-11: from $0.03 to $0.302026-09-12: from $0.06 to $0.312026-09-13: from $0.02 to $0.312026-09-14: from $0.04 to $0.302026-09-15: from $0.04 to $0.302026-09-16: from $0.05 to $0.312026-09-17: from $0.03 to $0.312026-09-18: from $0.05 to $0.262026-09-19: from $0.05 to $0.282026-09-20: from $0.02 to $0.262026-09-21: from $0.03 to $0.272026-09-22: from $0.05 to $0.282026-09-23: from $0.03 to $0.282026-09-24: from $0.02 to $0.282026-09-25: from $0.02 to $0.282026-09-26: from $0.02 to $0.282026-09-27: from $0.04 to $0.272026-09-28: from $0.04 to $0.272026-09-29: from $0.03 to $0.272026-09-30: from $0.05 to $0.272026-10-01: from $0.03 to $0.282026-10-02: from $0.05 to $0.062026-10-03: from $0.03 to $0.272026-10-04: from $0.05 to $0.272026-10-05: from $0.03 to $0.272026-10-06: from $0.03 to $0.262026-10-07: from $0.03 to $0.262026-10-08: from $0.02 to $0.262026-10-09: from $0.05 to $0.272026-10-10: from $0.02 to $0.272026-10-11: from $0.05 to $0.262026-10-12: from $0.05 to $0.272026-10-13: from $0.02 to $0.262026-10-14: from $0.05 to $0.262026-10-15: from $0.04 to $0.272026-10-16: from $0.03 to $0.262026-10-17: from $0.02 to $0.262026-10-18: from $0.04 to $0.262026-10-19: from $0.02 to $0.262026-10-20: from $0.02 to $0.252026-10-21: from $0.04 to $0.252026-10-22: from $0.02 to $0.812026-10-23: from $0.02 to $0.25 2026-07-25 2026-09-08 2026-10-23
-22.7%over 91 days
$0.02low · 2026-07-28
$0.06high · 2026-08-29
4,826price samples

Other wears and versions

Factory New — $0.20 Minimal Wear — $0.05 Well-Worn — $0.03 Battle-Scarred — $0.02 Souvenir Factory New — $1.19 Souvenir Minimal Wear — $0.61 Souvenir Field-Tested — $0.23 Souvenir Well-Worn — $0.60 Souvenir Battle-Scarred — $0.82

All M4A4 | Mainframe wears on one page →

All listings & prices in the app

FAQ

How much does M4A4 | Mainframe (Field-Tested) cost?
The lowest price is $0.02 on BUFF163; the highest we track is $0.05. That is a 150% spread between markets.
What is the float range of Field-Tested?
From 0.15 to 0.38. The skin's full range is 0–0.5.
Where is M4A4 | Mainframe (Field-Tested) cheapest to buy?
Right now the best price is on BUFF163 at $0.02. We compare 9 marketplaces plus Steam; prices refresh automatically.
How much can I get for M4A4 | Mainframe (Field-Tested) instantly?
Selling into the buy order on Market.CSGO nets $0.04 after the 5% fee.
How much would listing it for sale bring?
The best market is Steam: $0.05 list price, $0.04 net after fees.
Can I get M4A4 | Mainframe (Field-Tested) via a trade-up contract?
Yes. Our database has 1 contract(s) with this outcome. The best one costs $0.19 in inputs with a 25.0% chance.
Is the M4A4 | Mainframe (Field-Tested) price going up or down?
Over the last 91 days it fell by 22.7%. Low $0.02 (2026-07-28), high $0.06 (2026-08-29), based on 4826 price samples.
What floats are currently listed?
1006 live listings: floats from 0.1503 to 0.3790, median 0.2029. 583 of them are below 0.207.

Collection

The 2018 Nuke Collection PP-Bizon | Facility Sketch P250 | Facility Draft UMP-45 | Facility Dark Five-SeveN | Coolant Nova | Mandrel MP7 | Motherboard Negev | Bulkhead Galil AR | Cold Fusion P90 | Facility Negative MP5-SD | Co-Processor

Prices updated: 3 min ago ·

Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.