M4A1-S | Basilisk: trade up odds, float & price
Restricted Rifles skin from the Vanguard Collection. Float range 0.00 – 0.68, available in Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred. You can get it from a trade up of 10 Mil-Spec skins of the Vanguard Collection with a 25% chance per contract.
M4A1-S | Basilisk price by wear
| Wear | Float | Price | StatTrak™ | Souvenir |
|---|---|---|---|---|
| Factory New (FN) | 0.000 – 0.070 | $30.35 | $48.38 | — |
| Minimal Wear (MW) | 0.070 – 0.150 | $11.52 | $31.00 | — |
| Field-Tested (FT) | 0.150 – 0.380 | $8.05 | $23.15 | — |
| Well-Worn (WW) | 0.380 – 0.450 | $9.10 | $24.07 | — |
| Battle-Scarred (BS) | 0.450 – 0.680 | $8.24 | $22.85 | — |
Souvenir = the Souvenir version of this skin, same price rule as the Price column. Souvenir prices depend on the stickers the item carries, so this is a floor, not the price of a particular item.
Price check, 2026-11-11: the cheapest M4A1-S | Basilisk is Field-Tested at $6.39 on CS.MONEY. Factory New costs $27.90, 4.4× as much. StatTrak™ costs 1.3–2.9× the normal price. On the Steam Market the Field-Tested sells for $8.05, 26% above the cheapest marketplace listing.
How to trade up into the M4A1-S | Basilisk
Put 10 Mil-Spec skins from the Vanguard Collection into a trade up contract. The collection has 4 Restricted skins, so with all 10 inputs from this collection the Basilisk has a 25% chance (the other outcomes are Glock-18 | Grinder, M4A4 | Griffin, Sawed-Off | Highwayman). Mixing in another collection lowers the chance in proportion to the inputs you replace.
- Inputs (Mil-Spec): Five-SeveN | Urban Hazard, G3SG1 | Murky, MAG-7 | Firestarter, MP9 | Dart, UMP-45 | Delusion.
- Factory New result: average normalised input float ≤ 0.1029.
- Minimal Wear result: average normalised input float ≤ 0.2206.
- Output float: 0.00 + average × 0.68 – see the float guide.
Cheapest M4A1-S | Basilisk trade ups right now
10 identical Mil-Spec inputs from the Vanguard Collection at today’s prices. Every contract below has a 25% chance of this skin – open one to change floats, wear or fee.
| Contract | Cost | EV | ROI | Chance of profit | |
|---|---|---|---|---|---|
| 10× MAG-7 | Firestarter StatTrak™ WW Mil-Spec → Restricted | $11.60 | $12.39 | +6.8% | 25.0% | Open in calculator |
| 10× MP9 | Dart StatTrak™ FT Mil-Spec → Restricted | $12.20 | $12.99 | +6.5% | 25.0% | Open in calculator |
| 10× G3SG1 | Murky StatTrak™ FN Mil-Spec → Restricted | $22.00 | $16.49 | -25.1% | 25.0% | Open in calculator |
| 10× MAG-7 | Firestarter StatTrak™ BS Mil-Spec → Restricted | $16.60 | $12.39 | -25.4% | 25.0% | Open in calculator |
| 10× MP9 | Dart StatTrak™ MW Mil-Spec → Restricted | $17.00 | $11.98 | -29.5% | 25.0% | Open in calculator |
| 10× MAG-7 | Firestarter FT Mil-Spec → Restricted | $7.70 | $4.87 | -36.8% | 25.0% | Open in calculator |
| 10× G3SG1 | Murky MW Mil-Spec → Restricted | $8.80 | $4.42 | -49.8% | 25.0% | Open in calculator |
| 10× MAG-7 | Firestarter WW Mil-Spec → Restricted | $9.30 | $4.46 | -52.0% | 25.0% | 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.
Open in the calculator (auto-builds the cheapest contract)
What the M4A1-S | Basilisk trades up into
10 Restricted skins from the Vanguard Collection give one of 3 Classified skins, each with a 33.3% chance:
More Vanguard Collection skins
All Vanguard Collection skins and odds → · All M4A1-S skins →