Released June 11, 2014
Found in Huntsman Weapon Case, The Huntsman Collection
Also found in
More items from the Huntsman Weapon Case
Other M4A1-S finishes available in CS2
Other Classified drops from the same case
The M4A1-S Atomic Alloy is the silenced CT rifle prized for its accuracy and lower recoil. The Atomic Alloy finish transforms the default M4A1-S model with a unique visual style. It was introduced in June 2014 as part of the Huntsman Weapon Case. This skin can be found in 2 different cases, giving you multiple ways to unbox it.
At Classified rarity, the M4A1-S Atomic Alloy drops less frequently than most items in a case. This mid-to-high tier means it holds solid value while still being realistically obtainable.
The M4A1-S Atomic Alloy is currently available in 5 wear conditions. Prices range from $26.12 for Field-Tested up to $166.38 for Factory New. The spread between conditions reflects how much the visual appearance changes across float values.
Float values range from 0 to 1 — lower means fewer scratches and a cleaner look. Factory New skins with extremely low floats are rarer and typically valued higher by collectors and traders.
The M4A1-S Atomic Alloy trades at prices influenced by wear condition, current player demand, and market supply. Prices tend to fluctuate around major CS2 updates and esports events.
The M4A1-S Atomic Alloy drops from the Huntsman Weapon Case and 1 other case. Your odds depend on the Classified drop rate for that specific case. Try it risk-free in our simulator to see how often it appears.
Open the Huntsman Weapon Case in our free CS2 case simulator to see your chances of landing the M4A1-S Atomic Alloy. Real drop rates, no money required.
Browse every CS2 case in the simulator and discover new skins to chase. Each case features unique weapon skins and the chance to unbox rare knives and gloves.