UMP-45 | Bone Pile
The UMP-45 Bone Pile is a Mil-Spec skin from the Operation Bravo Case and The Bravo Collection, described as a memento from Cache. Its finish applies a skull motif layered over an underlying wiring diagram, creating a mechanical yet macabre visual combination. Float values range from 0.06 to 0.34, confining this skin to Factory New through Field-Tested condition at most, meaning the skull detailing remains relatively legible across the available wear range. StatTrak is available on this skin.
Cheapest wear we have on this page. Pattern / float overpay is extra.
Operation Bravo Case: (case+key) ÷ drop chance. Average, not a promise.
Ten of this rarity → Restricted in The Bravo Collection. Avg listed output $24.94.
Price History & Performance
Price by Wear
UMP-45 | Bone Pile cannot roll Well-Worn, Battle-Scarred because its float cap is 0.06–0.34. Wear ranges.
Cases & Drop Odds for UMP-45 | Bone Pile
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 |
|---|---|---|---|---|---|
 Operation Bravo Case | — | — | $96.72 | $0.65 | -99.3% |
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 | Bone Pile
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