M9 Bayonet CS2: cases, finishes, prices & how to trade up for one
The M9 Bayonet has 25 finishes in CS2 and drops from 16 cases: Chroma 2 Case, Chroma 3 Case, Chroma Case, CS:GO Weapon Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Gamma 2 Case, Gamma Case, Operation Bravo Case, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case, Revolver Case, Winter Offensive Weapon Case. You can also get one by trading up 5 Covert skins from any of those cases – the best odds are in the Chroma 2 Case pool, where each M9 Bayonet finish has a 3.33% chance.
- Finishes: Vanilla, Autotronic, Black Laminate, Blue Steel, Boreal Forest, Bright Water, Case Hardened, Crimson Web, Damascus Steel, Doppler, Fade, Forest DDPAT, Freehand, Gamma Doppler, Lore, Marble Fade, Night, Rust Coat, Safari Mesh, Scorched, Slaughter, Stained, Tiger Tooth, Ultraviolet, Urban Masked.
- Chance per finish by case: Chroma 2 Case 3.33% · Chroma 3 Case 3.33% · Chroma Case 3.33% · CS:GO Weapon Case 1.54% · CS:GO Weapon Case 2 1.54% · CS:GO Weapon Case 3 1.54% · eSports 2013 Case 1.54% · eSports 2013 Winter Case 1.54% · eSports 2014 Summer Case 1.54% · Gamma 2 Case 3.33% · Gamma Case 3.33% · Operation Bravo Case 1.54% · Operation Phoenix Weapon Case 1.54% · Operation Vanguard Weapon Case 1.54% · Revolver Case 1.54% · Winter Offensive Weapon Case 1.54%.
- Chance of any M9 Bayonet: Chroma 2 Case 20% · Chroma 3 Case 20% · Chroma Case 20% · CS:GO Weapon Case 20% · CS:GO Weapon Case 2 20% · CS:GO Weapon Case 3 20% · eSports 2013 Case 20% · eSports 2013 Winter Case 20% · eSports 2014 Summer Case 20% · Gamma 2 Case 20% · Gamma Case 20% · Operation Bravo Case 20% · Operation Phoenix Weapon Case 20% · Operation Vanguard Weapon Case 20% · Revolver Case 20% · Winter Offensive Weapon Case 20%.
Cheapest trade ups that can give a M9 Bayonet
5 Covert contracts from the cases above, ranked by ROI at today’s prices. The result is random within the case pool – the calculator shows every possible outcome.
| Contract | Cost | EV | ROI | Chance of profit | |
|---|---|---|---|---|---|
| 5× AUG | Chameleon StatTrak™ BS Covert → Knife / Gloves | $396.55 | $416.47 | +5.0% | 38.5% | Open in calculator |
| 5× Glock-18 | Wasteland Rebel StatTrak™ FN Covert → Knife / Gloves | $837.30 | $814.99 | -2.7% | 36.7% | Open in calculator |
| 5× M4A4 | Royal Paladin StatTrak™ WW Covert → Knife / Gloves | $443.00 | $409.94 | -7.5% | 35.4% | Open in calculator |
| 5× AUG | Chameleon StatTrak™ FN Covert → Knife / Gloves | $597.50 | $548.28 | -8.2% | 32.3% | Open in calculator |
| 5× PP-Bizon | Judgement of Anubis StatTrak™ BS Covert → Knife / Gloves | $714.60 | $654.13 | -8.5% | 30.0% | Open in calculator |
| 5× M4A4 | Bullet Rain StatTrak™ FT Covert → Knife / Gloves | $439.40 | $399.29 | -9.1% | 30.8% | Open in calculator |
| 5× MAC-10 | Neon Rider StatTrak™ WW Covert → Knife / Gloves | $732.35 | $654.13 | -10.7% | 26.7% | Open in calculator |
| 5× Sawed-Off | The Kraken StatTrak™ MW Covert → Knife / Gloves | $479.65 | $427.90 | -10.8% | 32.3% | Open in calculator |
| 5× CZ75-Auto | Victoria StatTrak™ FT Covert → Knife / Gloves | $480.95 | $427.90 | -11.0% | 32.3% | Open in calculator |
| 5× AUG | Chameleon WW Covert → Knife / Gloves | $436.70 | $382.29 | -12.5% | 33.8% | Open in calculator |
| 5× P2000 | Fire Elemental StatTrak™ FT Covert → Knife / Gloves | $491.80 | $426.80 | -13.2% | 33.8% | Open in calculator |
| 5× Sawed-Off | The Kraken WW Covert → Knife / Gloves | $453.80 | $393.28 | -13.3% | 32.3% | Open in calculator |
| 5× AUG | Chameleon StatTrak™ MW Covert → Knife / Gloves | $506.85 | $438.70 | -13.4% | 32.3% | Open in calculator |
| 5× M4A1-S | Mecha Industries StatTrak™ FT Covert → Knife / Gloves | $577.75 | $500.06 | -13.4% | 33.3% | Open in calculator |
| 5× Sawed-Off | The Kraken StatTrak™ FT Covert → Knife / Gloves | $456.20 | $393.99 | -13.6% | 29.2% | Open in calculator |
Steam Market prices, snapshot of 2026-09-27 (USD, before fees); the table refreshes with live prices on page load. Knives and gloves above Steam's $2,000 listing cap use the lowest marketplace price.
All M9 Bayonet finishes and prices
M9 Bayonet FAQ
Which cases have the M9 Bayonet in CS2?
The M9 Bayonet drops from Chroma 2 Case, Chroma 3 Case, Chroma Case, CS:GO Weapon Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Gamma 2 Case, Gamma Case, Operation Bravo Case, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case, Revolver Case, Winter Offensive Weapon Case.
Can you trade up to a M9 Bayonet in CS2?
Yes. Trade up 5 Covert skins from one of those cases’ collections and you receive a random knife or glove from that case. In the Chroma 2 Case pool every M9 Bayonet finish has a 3.33% chance and any M9 Bayonet has a 20% chance.
What is the cheapest M9 Bayonet in CS2?
The cheapest finish is usually a Battle-Scarred or Well-Worn knife from the table above – the “Lowest price” column uses Steam Market prices refreshed every hour.
How is a trade up M9 Bayonet’s float decided?
From your inputs: float = min + average normalised input float × (max − min) of the finish you receive. Use low-float Covert inputs for a Factory New result.