What's in the Operation Breakout Weapon Case?
The Operation Breakout Weapon Case contains 14 skins: two Covert, three Classified, four Restricted and five Mil-Spec. It also contains 13 rare special knives: the Butterfly Knife. Every skin can also drop as StatTrak™.
Covert · 2
0.64% per opening for the tier, about 0.32% for each skin
Classified · 3
3.20% per opening for the tier, about 1.0667% for each skin
Restricted · 4
15.98% per opening for the tier, about 3.995% for each skin
Mil-Spec · 5
79.92% per opening for the tier, about 15.984% for each skin
These skins form The Breakout Collection.
Operation Breakout Weapon Case knives
The case drops one knife type, each in 13 finishes, for 13 possible knives. The cheapest is a Butterfly Knife | Safari Mesh at $378.30, and the top listing is a Butterfly Knife | Crimson Web.
All 13 Operation Breakout Weapon Case knives with prices and odds ›
Operation Breakout Weapon Case odds
Every opening gives a Mil-Spec skin 79.92% of the time, Restricted 15.98%, Classified 3.20%, Covert 0.64% and a knife 0.26%. So the M4A1-S | Cyrex drops in about 1 in 313 openings and any single knife type in about 1 in 385.
| Rarity | Tier odds | Items in tier | Odds per item | 1 in | Cheapest in tier |
|---|---|---|---|---|---|
| Mil-Spec | 79.92% | 5 | 15.984% | 6 | $0.27 |
| Restricted | 15.98% | 4 | 3.995% | 25 | $1.95 |
| Classified | 3.20% | 3 | 1.0667% | 94 | $17.30 |
| Covert | 0.64% | 2 | 0.32% | 313 | $158.26 |
| ★ Knife | 0.26% | 13 | 0.02% | 5,000 | $378.30 |
Tier odds are Valve's published rates. Odds per item assume equal weighting within a tier, which Valve hasn't confirmed. 1 in 10 drops is StatTrak™.
About the Operation Breakout Weapon Case
The Operation Breakout Weapon Case is a weapon case released in July 2014, with 14 skins and 13 rare special knives. Opening it needs a $2.49 key from the in-game store.
Its skins form The Breakout Collection. Trade-ups within that collection stay inside these 14 skins and, since 2025, can reach its knives.
- Released
- July 2014
- Skins
- 14
- Knives
- 13
- Key needed
- Yes
- StatTrak™
- Yes
- Weekly drop pool
- No














