UMP-45 | Grand Prix
The UMP-45 | Grand Prix is a Restricted skin from The Chroma 2 Collection, obtainable through the Chroma 2 Case. The close-quarters SMG has been custom painted with an old-fashioned racing motif, evoking vintage motorsport livery. Notably, its float range is tightly constrained between 0.25 and 0.35, meaning only Field-Tested condition examples exist. This narrow band removes both clean low-float and heavily worn high-float specimens from the pool entirely, making all obtainable examples fall within the same narrow wear window. StatTrak versions are available for players wanting kill tracking on this Restricted skin.
Cheapest wear we have on this page. Pattern / float overpay is extra.
Chroma 2 Case: (case+key) ÷ drop chance. Average, not a promise.
Ten of this rarity → Classified in The Chroma 2 Collection. Avg listed output $11.68.
Price History & Performance
Price by Wear
UMP-45 | Grand Prix cannot roll Factory New, Minimal Wear, Well-Worn, Battle-Scarred because its float cap is 0.25–0.35. Wear ranges.
Cases & Drop Odds for UMP-45 | Grand Prix
Probability of unboxing this skin per single case open, expected number of opens until you get one, and the case's expected return based on the current market value of every skin inside.
| Case | Drop Chance | Expected Opens | Open Cost | Market EV | EV vs Cost |
|---|---|---|---|---|---|
 Chroma 2 Case | — | — | $8.49 | $0.65 | -92.3% |
Drop chance = official rarity odds ÷ size of that rarity pool inside the case. Market EV is the probability-weighted average of every skin's lowest current listing. "EV vs Cost" compares that EV against the case + key price — negative means opening loses money on average.
Where to Buy UMP-45 | Grand Prix
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