How rare is the USP-S | Serum?

USP-S | Serum is a Classified-tier skin. Rarity affects both drop odds and price: higher tiers are pulled less often and cost more.

What wear conditions does USP-S | Serum come in?

With a float range of 0 to 0.25, it appears in Factory New to Field-Tested.

Is there a StatTrak USP-S | Serum?

Yes. A StatTrak™ variant tracks your kills with the weapon and usually trades at a premium over the normal version.

USP-S Serum

ClassifiedStatTrak™Souvenir

Wear preview

USP-S | Serum is a Classified-tier USP-S finish in Counter-Strike 2. It renders the "Serum" design and can appear in Factory New to Field-Tested condition. It is available in a StatTrak™ variant that tracks kills.

FNMWFTWWBS

Float: 0-0.25

Where to buy USP-S | Serum

Check live prices on marketplaces SkinJudge has reviewed.

Inspect in game

Preview USP-S | Serum in CS2 at a chosen wear. Requires Steam and CS2 installed.

FN MW FT

View listings on Steam Market

Summary

Finish

Serum

Paint #221

Price (from): $47.61 to $172.83
Type: Pistols
Weapon: USP-S
Team: Counter-Terrorist
Model version: Legacy (CS:GO)
Float range: 0.00 to 0.25
StatTrak™: Available
Souvenir: Available
Released: September 20, 2013 (CS:GO Weapon Case 2)

Wear conditions

With a float range of 0 to 0.25, this skin exists in 3 of 5 wear conditions.

FN0-0.07

Factory New

Available

from $130.15

MW0.07-0.15

Minimal Wear

Available

from $172.83

FT0.15-0.38

Field-Tested

Drops at 0.15-0.25

from $47.61

WW0.38-0.45

Well-Worn

Does not exist

BS0.45-1

Battle-Scarred

Does not exist

About USP-S | Serum

A fan favorite from Counter-Strike Source, the Silenced USP Pistol has a detachable silencer that gives shots less recoil while suppressing attention-getting noise. It has been painted in a digital pattern with metallic paints of various reflectivities over a chrome base coat.

USP-S | Serum is a Classified USP-S skin featuring the Serum finish. Its float value ranges from 0 to 0.25, so it can be found in Factory New to Field-Tested condition. Lower floats look cleaner and generally command higher prices.

This skin drops from 1 case in the CS2 economy. A StatTrak™ version exists that counts confirmed kills and typically sells at a premium over the standard finish. Souvenir editions can also appear, dropped during supported tournaments and often carrying player/team stickers.

Prices for USP-S | Serum vary by wear, pattern, and StatTrak availability. Use the marketplace links below to check current listings across the platforms SkinJudge reviews.

Where to find USP-S | Serum

Cases

CS:GO Weapon Case 2

Collections

The Arms Deal 2 Collection

Drop chance

Odds of pulling USP-S | Serum from one opening: the Classified tier hits 3.2% of the time, split evenly between the skins in that tier. Roughly 1 in 10 drops comes out StatTrak™.

Case	Tier odds	Skins in tier	This skin
CS:GO Weapon Case 2	3.2%	2	~1.600% 1 in 63

Trade Up Contracts with Serum

A Trade Up Contract converts ten skins of one rarity into one random skin of the next rarity, drawn from the collections your inputs belong to. Souvenir skins can’t be used in trade ups.

Trading up ten Classified skins including Serum can output:

SSG 08

Blood in the Water

CovertST™

Want to unbox Serum from a contract? Trade up Restricted skins from its collection, such as:

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FAQ

How rare is the USP-S | Serum?: USP-S | Serum is a Classified-tier skin. Rarity affects both drop odds and price: higher tiers are pulled less often and cost more.
What wear conditions does USP-S | Serum come in?: With a float range of 0 to 0.25, it appears in Factory New to Field-Tested.
Is there a StatTrak USP-S | Serum?: Yes. A StatTrak™ variant tracks your kills with the weapon and usually trades at a premium over the normal version.