Cyrex gives the silenced M4A1-S a high-tech, near-robotic design in black and white with sharp red accents. The angular sci-fi paneling is its signature, and it remains one of the rifle's better-known Covert looks.
Across 26 markets the BS floor moved +9.8% in 58 days: $157.42 → $172.82.
Cheapest venue vs Steam right now: $119.89 apart (41%).
Sources: Valve item data · our 26-market price snapshot.
How much does M4A1-S (Cyrex) cost?
M4A1-S (Cyrex) starts at $150.36 across 26 marketplaces in our comparison, buyer fees included. Current floors by wear: FN $186.12 · MW $175.17 · FT $175.50 · WW $168.60 · BS $172.82. Steam asks $292.71 for the same listing.
Where can I sell or cash out M4A1-S (Cyrex)?
Top net quote at the moment: $163.76 via DMarket, seller fee already deducted (see the Sell tab for every venue). Steam credits $267.17 to your wallet, and wallet money cannot be withdrawn.
Does M4A1-S (Cyrex) come in StatTrak or Souvenir?
Yes — this skin also trades as StatTrak (from $150.36). Use the Quality pills above to switch; every number on the page recalculates for the selected variant.
How do I get M4A1-S (Cyrex)?
It drops from Operation Breakout Weapon Case (the container itself trades from $7.27), or you can buy it directly from $150.36 on the marketplaces above — buying a specific skin is almost always cheaper than opening containers for it.
Operation Breakout Weapon Case
Inspect a BS copy in game 
