Details
- Weapon
- M4A1-S
- Float range
- 0.00 – 1.00
- Category
- Rifles
- Paint index
- 714
- Legacy model
- No
- Pattern
- Nightmare
- Side
- Counter-Terrorists
- Trade-up contracts
- Eligible
Colours
Dark Blue 45%
Gray 30%
Light Blue 14%
Other 11%
Market activity
- Liquidity
- 12 / 100
- Low
- Popularity
- 99 / 100
- Strong
Market supply 84
Sales velocity 93
Community interest 75
Steam order book
C tier liquidityOrder-book data for this variant is still being collected. Check back soon.
Where it comes from
Renders
Field-Tested
Game files
The textures CS2 builds this skin from, extracted from the game files.
Custom — printed designThe full artwork is painted directly onto the weapon — what you see is the design.
Classified 
The Horizon Collection
The Horizon CollectionSouvenirM4A1-S Nightmare (Field-Tested)
Field-Tested
- Median
- $183.94
- 24 hours
- +2.1%
-
- 7 days
- +1.7%
-
- 30 days
- —
-
4 listings across all markets
Marketsfor Souvenir M4A1-S | Nightmare (Field-Tested)
2 with a price
40 markets without a price
Steam Market Check
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Price historyof M4A1-S | Nightmare
$183.94
+4.3% over 30D·median across markets
Oct 1, 2026 19 of ~31
days with data Oct 31, 2026
Price by float
The lowest price you can buy at, across markets, for each float. Jumps at the wear boundaries are real.
Not enough listings with a float yet to plot a curve.
In short
Origin
The M4A1-S | Nightmare can be obtained by opening Horizon Case. It is also part of the The Horizon Collection collection.
Rarity
The M4A1-S | Nightmare has a Classified rarity and is categorised as Rifles, with an estimated case drop chance of 1.07%.
Availability
The cheapest Souvenir M4A1-S | Nightmare (Field-Tested) is $182.12 on Market.CSGO, with prices across 2 markets ranging up to $185.76.
Price trend
Over the last 18 days the cross-market median price of the Souvenir M4A1-S | Nightmare (Field-Tested) went from $176.35 to $183.94 (+4.3%), with a low of $174.99 on Oct 18 and a high of $183.94 on Oct 31. That is +1.0% over the last 7 days.
Versions
The float value ranges from 0.00 to 1.00, available in all five wear conditions. It also has a StatTrak™ version and a Souvenir version.
Finish Style
This M4A1-S features the Nightmare design.
Planning a contract with M4A1-S | Nightmare? Simulate output floats, odds and profit in the CS2 trade-up calculator.
Guides
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M4A1-S | Nightmare — Frequently Asked Questions
How much does the Souvenir M4A1-S | Nightmare (Field-Tested) cost?
As of Oct 2026, the cheapest Souvenir M4A1-S | Nightmare (Field-Tested) costs $182.12 on Market.CSGO. CSSkinLab compares live prices across 2 CS2 marketplaces so you always see the cheapest offer first.
What is the float range of the Souvenir M4A1-S | Nightmare (Field-Tested)?
The Souvenir M4A1-S | Nightmare (Field-Tested) has a float range of 0.00 – 1.00. Lower floats mean less visible wear on the skin. The M4A1-S | Nightmare exists in 5 wear tiers: Factory New, Minimal Wear, Field-Tested, Well-Worn and Battle-Scarred.
Does the M4A1-S | Nightmare come in StatTrak™ or Souvenir?
Yes. The M4A1-S | Nightmare drops in both StatTrak™ (with a kill counter) and Souvenir versions, alongside the normal version. Each version trades at its own price.
Can I use the Souvenir M4A1-S | Nightmare (Field-Tested) in a trade-up?
Yes. The Souvenir M4A1-S | Nightmare (Field-Tested) can be used as an input in a trade-up contract: combine ten Classified skins to receive one skin of the next rarity tier. Use the CSSkinLab trade-up calculator to find the best inputs and simulate float outcomes and ROI, or work backwards from a target skin with the reverse calculator.
Where does the M4A1-S | Nightmare drop from?
The M4A1-S | Nightmare drops from the Horizon Case with an estimated drop chance of 1.07% per opening. It belongs to the The Horizon Collection. You can also buy it directly from community marketplaces, usually for less than the cost of opening cases.
What rarity is the M4A1-S | Nightmare?
The M4A1-S | Nightmare is a Classified rarity skin. Rarity determines how often it drops and which trade-up contracts it fits into.