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.
M4A4 Mainframe(WW)
Skinport 💸 0% · 8% · 0% Best price $0.03 
CSFloat 💸 0% · 2% · 2.5% $0.04 
White.Market 💸 0% · 5% · ? $0.06 
Market.CSGO 💸 0% · 5% · 5% $0.06 
DMarket 💸 0% · 2% · 0% $0.06 
Tradeit.gg 💸 0% · 10% · 5% $0.08 
Waxpeer 💸 0% · 6% · ? $0.15 
Lis-Skins 💸 0% · 5% · ? $0.15 Steam Market 💸 0% · 13.04% · ✕ Open 
CSBoard 💸 0% · 0% · ? Open 
SkinBaron 💸 0% · 15% · ? Open 
CS.Deals 💸 0% · 2% · 2% Open 
SkinOut 💸 0% · 7% · ? Open 
CS.TRADE Open 
CS.MONEY 💸 0% · 5% · 0% Open 
BUFF163 
💸 0% · 1.5% · 1% Open 
YouPin898 💸 0% · 1% · 1% Open C5 C5Game 💸 0% · 5% · 0% Open 
IGXE 💸 0% · 1% · ? Open Price context Well-Worn
Daily median on the Steam Community Market, Jul 7, 2020 – Sep 23, 2026
- All-time high
- $0.95
- All-time low
- $0.03
- Past 12 months
- 38%
- of days were cheaper
- Sold in 30 days
- 527
- Steam
Skin facts
- Weapon
- M4A4
- Rarity
- Industrial Grade
- Drops from
- 11 souvenir packages
- Released
- September 1, 2018 · CS:GO
- Drop status
- Souvenir packages, not in the drop
- Float range
- 0.00–0.50
- Wears
- FN · MW · FT · WW · BS
- Versions
- Normal · Souvenir
- All-time high
- $0.95 · October 28, 2020
- All-time low
- $0.03 · February 3, 2024
- Past 12 months
- 38% of days were cheaper
- Sold in 30 days
- 527 sales
FAQ
How much does M4A4 | Mainframe (Well-Worn) cost?
M4A4 | Mainframe (Well-Worn) currently starts at $0.03 — the best price across 8 marketplaces. Prices refresh about once an hour.
Where to buy M4A4 | Mainframe (Well-Worn)?
The cheapest offer for M4A4 | Mainframe (Well-Worn) right now is on Skinport at $0.03. It is also listed on CSFloat, White.Market, Market.CSGO; see the full comparison in the market list above.
Where to sell M4A4 | Mainframe (Well-Worn)?
You can sell on the Steam Community Market (~13% fee, money stays in Steam) or on marketplaces with cash withdrawal: CSBoard (0%), CSFloat (2%), DMarket (2%) — lower fees and real payouts.
What were the highest and lowest prices of M4A4 | Mainframe (Well-Worn)?
The highest daily median price of M4A4 | Mainframe (Well-Worn) on the Steam Community Market was $0.95 on October 28, 2020, and the lowest was $0.03 on February 3, 2024. The price history starts on July 7, 2020.
Is M4A4 | Mainframe (Well-Worn) expensive right now compared to the past year?
On September 23, 2026 the daily median was $0.05. Over the past 12 months, the price was lower than that on 38% of days. 527 copies were sold on the Steam Community Market in the 30 days up to September 23, 2026.
Where does M4A4 | Mainframe drop from?
M4A4 | Mainframe drops from 11 tournament souvenir packages. M4A4 | Mainframe is part of The 2018 Nuke Collection.
Is there a StatTrak™ or Souvenir M4A4 | Mainframe?
M4A4 | Mainframe has a Souvenir version, but no StatTrak™ one.
What float range does M4A4 | Mainframe have?
The float of M4A4 | Mainframe runs from 0.00 to 0.50, so it comes in 5 wears: Factory New, Minimal Wear, Field-Tested, Well-Worn, and Battle-Scarred.
When was M4A4 | Mainframe released, and does it still drop?
M4A4 | Mainframe came out on September 1, 2018 for CS:GO. The collection is not in the weekly drop pool: its skins come from tournament souvenir packages, and both the packages and the skins trade on the market.