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The misunderstood middle child of the SMG family, the UMP45's small magazine is the only drawback to an otherwise versatile close-quarters automatic. It has been painted in a marbleized pattern.
As of 19 October 2026, UMP-45 | Mudder (Factory New) sells for €0.28 on BUFF163 — the cheapest of 15 CS2 marketplaces tracked by Skinvesting, with live asks ranging up to €0.59 (111% above the best price).
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Across 101 days of tracked daily prices, UMP-45 | Mudder (Factory New) recorded an all-time low of €0.27 on 17 October 2026 and an all-time high of €0.62 on 6 July 2026. Over the last 30 days its price moved a typical ±4.3% per day (median across the marketplaces pricing it). LIS-SKINS had the lowest price on 10 of the last 30 days. By live listings it currently ranks #131 of 22,042 skins tracked by Skinvesting.
