The Gamma Collection released in June 2016. It drops from the Gamma Case and is led by the M4A1-S Mecha Industries and the Glock-18 Wasteland Rebel.
The case has left the drop pool. Mecha Industries is a clean, liquid, always-in-demand M4A1-S and the anchor of the collection.
Restricted
Restricted
Mil-Spec Grade
Covert
Covert
Classified
Mil-Spec Grade
Mil-Spec Grade
Classified
Mil-Spec Grade
Restricted
Mil-Spec Grade
Restricted
Restricted
Classified
Mil-Spec Grade
Mil-Spec Grade
| Stat | Value |
|---|---|
| Cheapest skin | Around $0.05 (Mil-Spec finishes) |
| Most valuable | M4A1-S Mecha Industries, roughly €81 to €260 |
| Weapon finishes | 17, Mil-Spec to Covert |
| Source | Gamma Case |
| Status | No longer in the active drop pool |
17 weapon finishes from Mil-Spec up to Covert, plus a knife behind the case.
The Mecha Industries is built from hardened ceramic panels, a segmented, mech-armour look on the silenced rifle that reads clean at every wear. It is one of the most liquid M4A1-S skins in the game, with Factory New copies reaching around €260 and lower grades far cheaper.
"Mecha Industries is the M4A1-S people actually buy to use. Clean, liquid, always in demand."
Gamma Collection skins drop from the Gamma Case, a knife-era case with new knife finishes as the rare special. Compare live prices on our markets page.
You can trade up ten same-rarity skins from this collection toward the tier above, and since 2025 you can craft a knife from five Covert items. The expected value is negative, so craft for the item, not the profit.
Gamma has left the drop pool, so supply is fixed and the collection carries early knife-era interest. Mecha Industries has one of the steadiest demand profiles of any M4A1-S. A reliable hold rather than a moonshot.
Compare live prices on our markets page.
| Related collection | Why it is related | Top skin |
|---|---|---|
| The Chroma Collection | Knife-era sibling from 2015 | AWP Man-o'-war |
| The Spectrum Collection | Knife-era case with a popular AK | AK-47 Bloodsport |
| The Prisma Collection | Case collection with a strong Covert | M4A4 The Emperor |
A 2016 case collection of 17 weapon finishes. Its Coverts are the M4A1-S Mecha Industries and Glock-18 Wasteland Rebel.
The M4A1-S Mecha Industries, up to around €260 in Factory New.
A hardened ceramic panel design that gives the silenced rifle a segmented, mech-armour appearance.
Since 2025 you can craft a knife from five Covert items. The expected value is negative.
The case has left the pool and Mecha Industries is highly liquid, which makes it a reliable hold.