Drop Rates
Drop rates are confirmed by Valve. Individual item probabilities are calculated by dividing the tier chance equally among items in that tier. Learn more
Items
P90
Asiimov
M4A1-S
Cyrex
Five-SeveN
Fowl Play
Glock-18
Water Elemental
Desert Eagle
Conspiracy
CZ75-Auto
Tigris
P250
Supernova
PP-Bizon
Osiris
Nova
Koi
SSG 08
Abyss
P2000
Ivory
MP7
Urban Hazard
UMP-45
Labyrinth
Negev
Desert-Strike
Special Items
★ Butterfly Knife
Crimson Web
★ Butterfly Knife
Night
★ Butterfly Knife
Forest DDPAT
★ Butterfly Knife
Fade
★ Butterfly Knife
Case Hardened
★ Butterfly Knife
Slaughter
★ Butterfly Knife
Urban Masked
★ Butterfly Knife
Safari Mesh
★ Butterfly Knife
★ Butterfly Knife
Blue Steel
★ Butterfly Knife
Stained
★ Butterfly Knife
Boreal Forest
★ Butterfly Knife
Scorched
About the Operation Breakout Weapon Case
The Operation Breakout Weapon Case is a CS2 weapon case released in Jun 2014. It contains 27 weapon skins across 5 rarity tiers, plus a rare special pool of knives and gloves. Each opening costs the case price plus a $2.49 key.
Mil-Spec Grade items drop 79.9% of the time. Special items are the rarest at 0.26% — roughly 1 in 385. StatTrak versions have a 10% chance on each drop.
Notable drops include ★ Butterfly Knife | Crimson Web ($19,000), ★ Butterfly Knife | Night ($6,333), and ★ Butterfly Knife | Forest DDPAT ($3,596).
Drop Rates
5 rarity tiers, ranging from Mil-Spec Grade (79.9%) down to Special (0.26%).
- Mil-Spec Grade79.9%
- Restricted16.0%
- Classified3.20%
- Covert0.64%
- Special0.26%
Each item within a rarity tier has an equal chance of dropping.
Simulate This Weapon Case
Unbox the Operation Breakout Weapon Case for free in our CS2 case simulator. No Steam account or real money needed.
Classic mode plays the reel animation with an optional auto-open toggle for continuous openings. Bulk mode can simulate up to millions of openings at once with a results heatmap.
Calculate Your Unboxing Cost
Each Operation Breakout Weapon Case needs a $2.49 key on top of the case price. Use the case calculator to set a quantity, see the total in 160+ currencies, and send your plan to the simulator.
