Serum

Float range0.00 to 0.25

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.

Prices

Showing prices from the last 3 days.

Price history

Lowest CSFloat listing, averaged over each day.

Found In

The Arms Deal 2 Collection

CS:GO Weapon Case 2

Trade-up Contracts

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Discover contracts where USP-S | Serum can be used as an input

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Trade Ups with USP-S | Serum

As input: 10x USP-S | Serum into a Covert from The Arms Deal 2 Collection

A full input set of 10 starts at about $526.10, based on 10x this skin's lowest listed price.

SSG 08 | Blood in the Water100% chance · from $80.00

As outcome: trade up to USP-S | Serum from The Arms Deal 2 Collection

10 Restricted skins from this collection give a 50% chance at this skin. Input sets start at about $68.70 (10x the lowest listed input price).

Target wear	Avg. normalized input float
Factory New	0.0000 to <0.2800
Minimal Wear	0.2800 to <0.6000
Field-Tested	0.6000 to 1.0000

The game scales each input float within that skin's own float range before averaging. For inputs with a full 0 to 1 range, normalized and raw floats are identical. Upper bounds are exclusive: an average exactly on a bound already produces the next wear.

Want contracts that are worth it right now? The Trade Up Scanner checks every combination across collections and refreshes every 4 hours.

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Pistol skin prices as a wholePistols index: 6,105.18-15.7%in 30 days