M4A1-S | Emphorosaur-S: trade up odds, float & price
Restricted Rifles skin from the Revolution Collection. Float range 0.00 – 0.80, 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 Revolution Collection with a 20% chance per contract.
M4A1-S | Emphorosaur-S price by wear
| Wear | Float | Price | StatTrak™ | Souvenir |
|---|---|---|---|---|
| Factory New (FN) | 0.000 – 0.070 | $2.48 | $6.32 | — |
| Minimal Wear (MW) | 0.070 – 0.150 | $1.07 | $2.35 | — |
| Field-Tested (FT) | 0.150 – 0.380 | $0.57 | $1.08 | — |
| Well-Worn (WW) | 0.380 – 0.450 | $0.59 | $1.32 | — |
| Battle-Scarred (BS) | 0.450 – 0.800 | $0.55 | $1.08 | — |
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 | Emphorosaur-S is Battle-Scarred at $0.38 on CS.MONEY. Factory New costs $2.03, 5.3× as much. StatTrak™ costs 1.9–2.7× the normal price. On the Steam Market the Field-Tested sells for $0.57, 36% above the cheapest marketplace listing.
How to trade up into the M4A1-S | Emphorosaur-S
Put 10 Mil-Spec skins from the Revolution Collection into a trade up contract. The collection has 5 Restricted skins, so with all 10 inputs from this collection the Emphorosaur-S has a 20% chance (the other outcomes are Glock-18 | Umbral Rabbit, MAC-10 | Sakkaku, P90 | Neoqueen, R8 Revolver | Banana Cannon). Mixing in another collection lowers the chance in proportion to the inputs you replace.
- Inputs (Mil-Spec): MAG-7 | Insomnia, MP5-SD | Liquidation, MP9 | Featherweight, P250 | Re.built, SCAR-20 | Fragments, SG 553 | Cyberforce, Tec-9 | Rebel.
- Factory New result: average normalised input float ≤ 0.0875.
- Minimal Wear result: average normalised input float ≤ 0.1875.
- Output float: 0.00 + average × 0.80 – see the float guide.
Cheapest M4A1-S | Emphorosaur-S trade ups right now
10 identical Mil-Spec inputs from the Revolution Collection at today’s prices. Every contract below has a 20% chance of this skin – open one to change floats, wear or fee.
| Contract | Cost | EV | ROI | Chance of profit | |
|---|---|---|---|---|---|
| 10× SCAR-20 | Fragments StatTrak™ MW Mil-Spec → Restricted | $1.90 | $1.73 | -8.7% | 60.0% | Open in calculator |
| 10× MP9 | Featherweight StatTrak™ WW Mil-Spec → Restricted | $0.90 | $0.72 | -20.4% | 20.0% | Open in calculator |
| 10× P250 | Re.built StatTrak™ FT Mil-Spec → Restricted | $1.00 | $0.77 | -22.8% | 20.0% | Open in calculator |
| 10× SCAR-20 | Fragments StatTrak™ FN Mil-Spec → Restricted | $6.20 | $4.35 | -29.8% | 20.0% | Open in calculator |
| 10× MP9 | Featherweight StatTrak™ BS Mil-Spec → Restricted | $1.00 | $0.69 | -30.6% | 20.0% | Open in calculator |
| 10× P250 | Re.built FT Mil-Spec → Restricted | $0.80 | $0.52 | -34.5% | 0.0% | Open in calculator |
| 10× MP5-SD | Liquidation WW Mil-Spec → Restricted | $0.80 | $0.50 | -37.0% | 0.0% | Open in calculator |
| 10× SCAR-20 | Fragments MW Mil-Spec → Restricted | $1.60 | $1.00 | -37.7% | 0.0% | 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 | Emphorosaur-S trades up into
10 Restricted skins from the Revolution Collection give one of 3 Classified skins, each with a 33.3% chance:
More Revolution Collection skins
All Revolution Collection skins and odds → · All M4A1-S skins →