Souvenir M4A1-S | Atomic Alloy (Factory New) is the Souvenir Factory New version of M4A1-S | Atomic Alloy, a Classified M4A1-S skin from The Huntsman Collection, released May 2, 2014. Factory New copies of this finish have floats from 0.00 to 0.07.
With a smaller magazine than its unmuffled counterpart, the silenced M4A1 provides quieter shots with less recoil and better accuracy. It has been anodized black and orange.
Case & collection
Huntsman Weapon Case
Chance per opening for this finish (any wear): 1.07% (1 in 94) – Classified tier 3.20% shared by 3 skins.
The Huntsman Collection
20 skins · released May 2, 2014
Based on Valve's published case odds (Mil-Spec 79.92%, Restricted 15.98%, Classified 3.20%, Covert 0.64%, knives/gloves 0.26%); every item within a tier is equally likely. StatTrak™ and wear are rolled separately and are not included.
Factory New covers floats from 0.00 to 0.07; for M4A1-S | Atomic Alloy that means 0.00 to 0.07.
M4A1-S | Atomic Alloy exists with floats from 0.00 to 0.90, so it comes in Factory New, Minimal Wear, Field-Tested, Well-Worn and Battle-Scarred.
In SteamWebAPI's marketplace snapshot of Oct 14, 2026, the cheapest Field-Tested listing was $20.70 on Tradeit. Prices for every version are listed on this page and change daily.
M4A1-S | Atomic Alloy is part of The Huntsman Collection, released May 2, 2014. It can be found in Huntsman Weapon Case.
Yes. This page shows a real in-game render and an interactive 3D model, and the float & pattern lab lets you preview any float and pattern seed. "Inspect in game" opens the same item in CS2.