Among M4A4 skins in CS2, Souvenir M4A4 (Radiation Hazard) (Battle-Scarred) sits in the Mil-Spec grade. It drops from the ESL One Cologne 2014 Nuke Souvenir Package.
Across 25 markets the BS floor moved -19.5% in 58 days: $35.46 → $28.55.
Cheapest venue vs Steam right now: $633.05 apart (96%).
Sources: Valve item data · our 25-market price snapshot.
How much does M4A4 (Radiation Hazard) cost?
M4A4 (Radiation Hazard) is listed from $28.55 on 25 marketplaces, every price with buyer fees in. Wear floors: FN $607.63 · MW $106.12 · FT $37.82 · WW $35.03 · BS $28.55. Steam asks $662.18 for the same listing.
Where can I sell or cash out M4A4 (Radiation Hazard)?
Right now DMarket pays the most: $25.61 net after its seller fee; the full ranking sits in the Sell tab. Steam offers $552.86, wallet-only — Steam funds never cash out.
Does M4A4 (Radiation Hazard) come in StatTrak or Souvenir?
Yes — this skin also trades as Souvenir (from $28.55). Use the Quality pills above to switch; every number on the page recalculates for the selected variant.
How do I get M4A4 (Radiation Hazard)?
It drops from ESL One Cologne 2014 Nuke Souvenir Package (the container itself trades from $899.00), or you can buy it directly from $28.55 on the marketplaces above — buying a specific skin is almost always cheaper than opening containers for it.
ESL One Cologne 2014 Nuke Souvenir Package
Inspect a BS copy in game 
