Blue Steel is the M9 Bayonet left cold blued, a chemical bluing of the bare steel that produces dark blue-grey tones with no painted graphic. Wear and the natural variation in the bluing mean each blade shows its own play of light and shadow, so the finish reads more like treated metal than a skin.
Across 25 markets the BS floor moved -10.6% in 18 days: $561.34 → $501.93.
Sources: Valve item data · our 25-market price snapshot.
How much does M9 Bayonet (Blue Steel) cost?
The current floor for M9 Bayonet (Blue Steel) is $501.93, compared across 25 marketplaces with fees included. By wear: FN $836.57 · MW $535.00 · FT $515.54 · WW $493.45 · BS $501.93.
Where can I sell or cash out M9 Bayonet (Blue Steel)?
The best net payout right now is $415.52 on DMarket after its seller fee — the Sell tab ranks every venue. Steam pays $959.07 into your wallet, but Steam funds cannot be withdrawn as real money.
Does M9 Bayonet (Blue Steel) come in StatTrak or Souvenir?
Yes — this skin also trades as StatTrak (from $501.93). Use the Quality pills above to switch; every number on the page recalculates for the selected variant.
How do I get M9 Bayonet (Blue Steel)?
Two routes: open CS:GO Weapon Case (trading from $118.11) and gamble on the odds, or pay $501.93 for the skin itself on the markets above. The direct buy is nearly always the cheaper path.
CS:GO Weapon Case
Inspect a BS copy in game 
