How much does M4A4 | Mainframe (Well-Worn) cost?

The lowest price is $0.03 on BUFF163; the highest we track is $0.07. That is a 133% spread between markets.

What is the float range of Well-Worn?

From 0.38 to 0.45. The skin's full range is 0–0.5.

Where is M4A4 | Mainframe (Well-Worn) cheapest to buy?

Right now the best price is on BUFF163 at $0.03. We compare 9 marketplaces plus Steam; prices refresh automatically.

How much can I get for M4A4 | Mainframe (Well-Worn) 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: $0.07 list price, $0.06 net after fees.

Is the M4A4 | Mainframe (Well-Worn) price going up or down?

Over the last 90 days it fell by 69.5%. Low $0.02 (2026-10-13), high $0.53 (2026-09-23), based on 2511 price samples.

What floats are currently listed?

265 live listings: floats from 0.3801 to 0.4489, median 0.4176. 53 of them are below 0.397.

CS2Price › M4A4 | Mainframe › M4A4 | Mainframe (Well-Worn)

M4A4 | Mainframe (Well-Worn)

M4A4 | Mainframe (Well-Worn) is a Industrial Grade CS2 skin from The 2018 Nuke Collection, float 0.38–0.45. Tracked on 9 markets: cheapest at $0.03 (BUFF163), highest at $0.07, a 133% spread.

M4A4Industrial GradeWell-Worn

All prices & listings →

$0.03cheapest · BUFF163

133%spread between markets

$0.04instant sell · Market.CSGO

$0.06net 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 (Well-Worn) cheapest

#	Market	Price
1	BUFF163	$0.03
2	CS.MONEY	$0.03
3	Skinport	$0.03
4	YouPin898	$0.03
5	Market.CSGO	$0.05
6	CSFloat	$0.06
7	Steam	$0.07
8	LIS-SKINS	$0.24
9	Waxpeer	$0.26

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

Sell instantly: buy orders

Market	Order	You receive
Market.CSGO	$0.04 × 107	$0.04
BUFF163	$0.02	$0.02

"You receive" is net of the marketplace fee.

Price history

-69.5%over 90 days

$0.02low · 2026-10-13

$0.53high · 2026-09-23

2,511price samples

Other wears and versions

Factory New — $0.20 Minimal Wear — $0.05 Field-Tested — $0.02 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 (Well-Worn) cost?: The lowest price is $0.03 on BUFF163; the highest we track is $0.07. That is a 133% spread between markets.
What is the float range of Well-Worn?: From 0.38 to 0.45. The skin's full range is 0–0.5.
Where is M4A4 | Mainframe (Well-Worn) cheapest to buy?: Right now the best price is on BUFF163 at $0.03. We compare 9 marketplaces plus Steam; prices refresh automatically.
How much can I get for M4A4 | Mainframe (Well-Worn) 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: $0.07 list price, $0.06 net after fees.
Is the M4A4 | Mainframe (Well-Worn) price going up or down?: Over the last 90 days it fell by 69.5%. Low $0.02 (2026-10-13), high $0.53 (2026-09-23), based on 2511 price samples.
What floats are currently listed?: 265 live listings: floats from 0.3801 to 0.4489, median 0.4176. 53 of them are below 0.397.

Collection

Prices updated: 1 min ago · 10/23/2026, 11:11:41 AM

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.