Knife

M9 Bayonet — CS2 finishes, cases and drop odds

The M9 Bayonet is a CS2 knife with 25 finishes, dropped as a rare-special (gold) item by 16 cases. The best odds are 0.051% per opening (1 in 1,955) in the Chroma 2 Case.

Cases that can contain a M9 Bayonet

16 CS2 cases contain the M9 Bayonet, listed below by the chance of pulling one from a single opening. The best odds are in the Chroma 2 Case at 0.0512% (1 in 1,955), where 6 of its 30 knife/glove finishes are M9 Bayonet finishes.

Case	P(M9 Bayonet)	Finishes / pool	Open cost
Chroma 2 Case	0.0512% · 1 in 1,955	6 / 30	$21.44	Open
Chroma 3 Case	0.0512% · 1 in 1,955	6 / 30	$27.23	Open
Chroma Case	0.0512% · 1 in 1,955	6 / 30	$22.55	Open
CS:GO Weapon Case	0.0512% · 1 in 1,955	13 / 65	$184.28	Open
CS:GO Weapon Case 2	0.0512% · 1 in 1,955	13 / 65	$44.84	Open
CS:GO Weapon Case 3	0.0512% · 1 in 1,955	13 / 65	$26.80	Open
eSports 2013 Case	0.0512% · 1 in 1,955	13 / 65	$83.96	Open
eSports 2013 Winter Case	0.0512% · 1 in 1,955	13 / 65	$42.93	Open
eSports 2014 Summer Case	0.0512% · 1 in 1,955	13 / 65	$36.05	Open
Gamma 2 Case	0.0512% · 1 in 1,955	6 / 30	$23.69	Open
Gamma Case	0.0512% · 1 in 1,955	6 / 30	$23.95	Open
Operation Bravo Case	0.0512% · 1 in 1,955	13 / 65	$96.53	Open
Operation Phoenix Weapon Case	0.0512% · 1 in 1,955	13 / 65	$21.95	Open
Operation Vanguard Weapon Case	0.0512% · 1 in 1,955	13 / 65	$22.27	Open
Revolver Case	0.0512% · 1 in 1,955	13 / 65	$17.18	Open
Winter Offensive Weapon Case	0.0512% · 1 in 1,955	13 / 65	$26.85	Open

Odds = the case's gold chance × M9 Bayonet finishes ÷ all knife/glove finishes in its pool, with every finish equally likely (Doppler phases share one finish, as in the game). They cover any M9 Bayonet finish, before wear and StatTrak. Open cost is the case + key from DropLabz's Steam market snapshot (market data updated Oct 27, 2026).

The cheapest case to chase a M9 Bayonet in is the Revolver Case: at $17.18 per opening and 1 in 1,955, that is about $33,586.90 of openings per M9 Bayonet on average, and a 5.0% chance of at least one in 100 openings.

M9 Bayonet price

The cheapest M9 Bayonet is the M9 Bayonet | Scorched in StatTrak™ Field-Tested condition, at $341.78 on the Steam Community Market (market data updated Oct 27, 2026). 25 of its finishes are priced in the snapshot. Compare it with every other type on cheapest CS2 knives.

Finishes (25)

Finish	StatTrak	Price from	Available from
M9 Bayonet \| Autotronic	Yes	$664.27	Gamma 2 Case, Gamma Case
M9 Bayonet \| Black Laminate	Yes	$564.78	Gamma 2 Case, Gamma Case
M9 Bayonet \| Blue Steel	Yes	$619.61	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Boreal Forest	Yes	$391.00	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Bright Water	Yes	$404.95	Gamma 2 Case, Gamma Case
M9 Bayonet \| Case Hardenedcase-hardened	Yes	$573.08	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Crimson Web	Yes	$561.60	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Damascus Steel	Yes	$475.05	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Dopplerdoppler	Yes	$1,000.68	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Fadefade	Yes	$1,486.00	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Forest DDPAT	Yes	$380.56	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Freehand	Yes	$419.41	Gamma 2 Case, Gamma Case
M9 Bayonet \| Gamma Dopplergamma-doppler	Yes	$1,685.51	Gamma 2 Case, Gamma Case
M9 Bayonet \| Lorelore	Yes	$558.28	Gamma 2 Case, Gamma Case
M9 Bayonet \| Marble Fademarble-fade	Yes	$1,010.64	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Night	Yes	$383.27	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Rust Coat	Yes	$412.36	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Safari Mesh	Yes	$374.23	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Scorched	Yes	$341.78	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Slaughter	Yes	$840.91	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Stained	Yes	$498.11	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet \| Tiger Toothtiger-tooth	Yes	$912.19	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Ultraviolet	Yes	$409.24	Chroma 3 Case, Chroma Case, Chroma 2 Case
M9 Bayonet \| Urban Masked	Yes	$396.22	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case
M9 Bayonet (Vanilla)	Yes	$1,058.04	Revolver Case, eSports 2013 Case, eSports 2013 Winter Case, eSports 2014 Summer Case, Winter Offensive Weapon Case, CS:GO Weapon Case, Operation Bravo Case, CS:GO Weapon Case 2, CS:GO Weapon Case 3, Operation Phoenix Weapon Case, Operation Vanguard Weapon Case

Each linked finish opens its own page: Steam price by wear, the cases that drop it with the odds of that exact finish, and every trade-up route to it with the input float each wear needs.

Trade up to a M9 Bayonet

Since the October 2025 update, 5 Covert skins from a case can become one of its knives. 24 M9 Bayonet finishes can be targeted — pick one in the finish list above, or browse every Covert → knife contract.

Knife & glove trade-ups

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Work out your chance over any number of openings with the CS2 knife chance calculator, compare every case on CS2 knife odds by case, or see the cheapest cases for a knife. Back to all CS2 knife types.