Details
- Weapon
- M4A1-S
- Float range
- 0.00 – 0.08
- Category
- Rifles
- Paint index
- 1017
- Legacy model
- No
- Pattern
- Blue Phosphor
- Side
- Counter-Terrorists
- Trade-up contracts
- Not eligible
No higher rarity exists in this collection to trade up into.
Colours
Dark Blue 75%
Black 18%
Other 7%
Market activity
- Liquidity
- 0 / 100
- Low
- Popularity
- 48 / 100
- Fair
Cost to sell 0
Market supply 20
Sales velocity 31
Steam order book
C tier liquidity- Highest buy order
- $348.30
- Lowest sell listing
- $1,202.18
- Spread
- $853.8871.03%
29 buy orders 2 sell listings
Where it comes from
Renders
Factory New
Game files
The textures CS2 builds this skin from, extracted from the game files.
Anodized — pattern + paletteA base pattern recoloured by the palette below — same design, different colours.
Palette
Classified 
The Control Collection
The Control CollectionSouvenirM4A1-S Blue Phosphor (Factory New)
Factory New
Lowest price
$505.69
on 
Skins.com, the cheapest of 13 markets $300.78 less than Steam
- Median
- $980.88
- 24 hours
- −17.0%
-
- 7 days
- −6.2%
-
- 30 days
- −42.5%
-
32 listings across all markets
Not usable in trade-up contracts.
Marketsfor Souvenir M4A1-S | Blue Phosphor (Factory New)
13 with a price- Skins.com Lowest1 listed $505.69 Buy
HaloSkins1 listed $659.22 Buy
CSFloat10 listed $670.00 Buy
BUFF1633 listed $676.36 Buy
Steam Market3 listed $806.47 Buy
Market.CSGO1 listed $971.05 Buy
Waxpeer1 listed $980.76 Buy
SkinSell1 listed $990.48 Buy
29 markets without a price
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Price historyof M4A1-S | Blue Phosphor
$980.88
−15.6% over 30D·median across markets
Oct 1, 2026 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.
$990.48
cheapest at float 0.0050 · 1 listing on 1 market nearby
0.010.020.030.04
Cheapest
In short
Origin
The M4A1-S | Blue Phosphor is part of the The Control Collection collection.
Rarity
The M4A1-S | Blue Phosphor has a Classified rarity and is categorised as Rifles.
Availability
The cheapest Souvenir M4A1-S | Blue Phosphor (Factory New) is $505.69 on Skins.com, with prices across 13 markets ranging up to $1,129.70.
Price trend
Over the last 30 days the cross-market median price of the Souvenir M4A1-S | Blue Phosphor (Factory New) went from $1,162.31 to $980.88 (−15.6%), with a low of $632.54 on Oct 14 and a high of $1,162.31 on Oct 2. That is +20.2% over the last 7 days. On the Steam Community Market the highest buy order is $348.30 and the lowest listing is $1,202.18 (29 buy orders, 2 listings).
Versions
The float value ranges from 0.00 to 0.08, available in 2 wear conditions. It also has a Souvenir version.
Finish Style
This M4A1-S features the Blue Phosphor design.
Guides
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M4A1-S | Blue Phosphor — Frequently Asked Questions
How much does the Souvenir M4A1-S | Blue Phosphor (Factory New) cost?
As of Oct 2026, the cheapest Souvenir M4A1-S | Blue Phosphor (Factory New) costs $505.69 on Skins.com. CSSkinLab compares live prices across 13 CS2 marketplaces so you always see the cheapest offer first.
What is the float range of the Souvenir M4A1-S | Blue Phosphor (Factory New)?
The Souvenir M4A1-S | Blue Phosphor (Factory New) has a float range of 0.00 – 0.08. Lower floats mean less visible wear on the skin. The M4A1-S | Blue Phosphor exists in 2 wear tiers: Factory New and Minimal Wear.
Does the M4A1-S | Blue Phosphor come in StatTrak™ or Souvenir?
The M4A1-S | Blue Phosphor also drops as a Souvenir version from tournament packages, but it does not exist in StatTrak™.
Can I use the Souvenir M4A1-S | Blue Phosphor (Factory New) in a trade-up?
No, the Souvenir M4A1-S | Blue Phosphor (Factory New) cannot be used in a trade-up contract. NO_NEXT_RARITY
Where does the M4A1-S | Blue Phosphor drop from?
It belongs to the The Control 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 | Blue Phosphor?
The M4A1-S | Blue Phosphor is a Classified rarity skin. Rarity determines how often it drops and which trade-up contracts it fits into.