UMP-45 | Briefing
The UMP-45 | Briefing belongs to the Mil-Spec tier within The Gamma 2 Collection and is obtainable from the Gamma 2 Case, with StatTrak available. Its finish features a hydrographic of a topographical map draped across the submachine gun's body, lending it a cartographic, tactical aesthetic. The full float range of 0 to 1 means specimens can range from pristine to heavily worn, with map detail gradually obscuring at higher wear levels. The contour lines and terrain markings read clearly in close-quarters engagements.
Cheapest wear we have on this page. Pattern / float overpay is extra.
Gamma 2 Case: (case+key) ÷ drop chance. Average, not a promise.
Ten of this rarity → Restricted in The Gamma 2 Collection. Avg listed output $1.16.
Price History & Performance
Price by Wear
Cases & Drop Odds for UMP-45 | Briefing
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 |
|---|---|---|---|---|---|
 Gamma 2 Case | — | — | $7.51 | $0.65 | -91.3% |
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 | Briefing
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