M4A1-S | Blue Phosphor
Summary
Category
Skin
Type
Rifle
Weapon
M4A1-S
Finish
Blue Phosphor
Finish Style
Anodized Multicolored
Designer
Valve
Released
December 3rd, 2020
Finish Catalog
1017
Pattern Variants
Yes
Model Version
CS2
Popularity
100%
Item Class
Wear Range
Every weapon skin has a wear value, also known as float value, that determines how
scratched it looks and which exterior it belongs to:
| Range | Exterior |
|---|---|
| 0.00 – 0.07 | Factory New (FN) |
| 0.07 – 0.15 | Minimal Wear (MW) |
| 0.15 – 0.38 | Field-Tested (FT) |
| 0.38 – 0.45 | Well-Worn (WW) |
| 0.45 – 1.00 | Battle-Scarred (BS) |
Each skin also has a minimum and maximum wear value, defining its wear range.
The colored line shows the available range for this skin.
Collection
Control Collection
Contains 19 items
Community Rating
4.7
out of 5
1.6K Votes
Elite
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Supply
36.4K
total items in circulation
Factory New
35.6K
Minimal Wear
681
Drop Chance
Control
Collection
Classified
Rarity
Odds
1 in 781
Total
1 in 781
Blue Phosphor
M4A1-S
Odds
1 in 2
Total
1 in 1.6K
Factory New
Exterior
Odds
19 in 20
Total
1 in 1.6K
Final Result
Total Odds
1 in 1,621
0.062%
Liquidity
93%
Very High
Price Statistics
Current Price
$459
24h Change
3.64%
-$17.38
7d Change
8.84%
-$44.53
30d Change
17.76%
-$99.22
1y Change
60.27%
-$697
All-Time High
$1,161
Oct 11, 2025
All-Time Low
$120
Sep 19, 2021
24h Low
24h High
$459
$477
7d Low
7d High
$459
$504
30d Low
30d High
$459
$560
1y Low
1y High
$459
$1,161
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Inspect Skin
Wear
Patterns
3D View
Seed
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Price History
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Gallery
Description
With a smaller magazine than its unmuffled counterpart, the silenced M4A1 provides quieter shots with less recoil and better accuracy. Multiple layers of metallic blue paint have been applied over a chrome blue base coat. Feeling blue?
History
The M4A1-S "Blue Phosphor" was first introduced to Counter-Strike 5 years ago, on December 3rd, 2020. It was released as part of the Control Collection, alongside the "Operation Broken Fang" update. The skin was created by Valve itself instead of a community designer.
Origin
The M4A1-S "Blue Phosphor" cannot be obtained by opening a container. Instead, the skin is part of the Control Collection.
Popularity
With a popularity of 100%, the M4A1-S "Blue Phosphor" is currently extremely popular, which makes it one of the most popular items in CS2. This popularity score is based on recent user engagement and market activity for the skin.
Rarity
The M4A1-S "Blue Phosphor" is one of 331 Rifle skins. The rarity of the skin is Classified, which makes it a super rare drop with a chance of 0.064% from the Control Collection. That is roughly 1 in every 1.6K drops.
Availability
With a price range between $460 and $1,701, the M4A1-S "Blue Phosphor" is a pretty expensive skin. Fortunately, it's currently widely available and can be purchased on multiple different markets.
Versions
The float value of the M4A1-S "Blue Phosphor" ranges from 0.00 to 0.08, which makes the skin available in Factory New and Minimal Wear. For each exterior, there also exists a Souvenir version of this skin.
Finish Style
This M4A1-S skin has been painted in the "Anodized Multicolored" style, with the Blue Phosphor finish. In this style, the candy coat may be applied in a multicolored pattern. In the real world, methods could include silk-screening or adherable stencils. The primary color of this skin is blue. The look of the Blue Phosphor finish is affected by its pattern index. The skin uses the new CS2 model.
Community Sentiment
The M4A1-S "Blue Phosphor" has received 1.6K votes on CSGOSKINS.GG, leading to an average rating of 4.7 out of 5 stars. The skin is currently also owned by the professional CS2 players FalleN, Snax and shox.
Gameplay Showcase
