UMP-45 | Mudder (Factory New)
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.
Marketplace pricing
Compare live listings across every marketplace Skinstrack monitors.| Marketplace | Price | Offers | Action |
|---|---|---|---|
 CsmoneyVerified | $0.44 | 34 | Visit CsmoneyVisit |
 LisskinsVerified | $0.45 | 55 | Visit LisskinsVisit |
 SihappVerified | $0.46 | 55 | Visit SihappVisit |
 EcosteamVerifiedbuy order $0.40 · buy order count 1 | $0.46 | 117 | Visit EcosteamVisit |
 Skinswap CnVerified | $0.46 | 35 | Visit Skinswap CnVisit |
 YoupinVerifiedbuy order $0.42 | $0.46 | 168 | Visit YoupinVisit |
 AvanmarketVerified | $0.47 | 7 | Visit AvanmarketVisit |
 Csmoney TradeVerified | $0.47 | 34 | Visit Csmoney TradeVisit |
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Inspect UMP-45 | Mudder in 3D
Rotate, zoom and change the float and pattern, lit by the original CS2 maps.About UMP-45 | Mudder
The UMP-45 | Mudder is a Consumer Grade rarity. 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. It is part of the The 2018 Inferno Collection and is available in multiple wear conditions ranging from Factory New to Battle-Scarred. It is unboxed from the London 2018 Inferno Souvenir Package. Its float range of 0.06 to 0.80 covers every exterior from Factory New to Battle-Scarred. The finish is dominated by brown. A Souvenir version exists alongside the standard finish and trades at its own price.
Where to buy UMP-45 | Mudder (Factory New) at the lowest price
The cheapest current listing is $0.44 on Csmoney. On Steam Community Market the price is $0.63, while Buff163 listings start at $0.51. At $0.44 it is a budget-tier pickup by CS2 standards. Prices update continuously across 22marketplace sources and may vary with demand, listing availability and each platform's fees.
UMP-45 damage and stats in CS2
In-game values read from the CS2 game files, shared by every UMP-45 skin.The UMP-45 costs $1,200.00 in game, deals 35 base damage per shot and pays $600.00 per kill. It fires in full auto at 667 shots per minute, keeps 65% of its damage through armor, holds 25 shots per magazine with 75 in reserve and lets you move at 230 units per second. Skins are cosmetic only: a UMP-45 finish never changes these numbers.
UMP-45 | Mudder (Factory New) market data and statistics
UMP-45 | Mudder (Factory New) price analysis
Based on historical price change data across multiple timeframes.UMP-45 | Mudder (Factory New) has modest short-term gains. Buyer demand is slightly outpacing supply, keeping prices stable to slightly elevated.
UMP-45 | Mudder (Factory New) has declined significantly over the long term. Persistent selling pressure suggests reduced collector interest or increased supply.
UMP-45 | Mudder (Factory New) price history
Daily reference price recorded by Skinstrack since Oct 20, 2025.Since Oct 20, 2025, UMP-45 | Mudder (Factory New) has traded between $0.11 on Oct 24, 2025 and $2.61 on Apr 19, 2026. At the current reference price of $0.44 it sits 83.1% below that high and 300.0% above that low. Csmoney set the reference price on 30 of the last 84 recorded days.
UMP-45 | Mudder prices by exterior condition
UMP-45 | Mudder is available in 5 exterior conditions: Factory New, Minimal Wear, Field-Tested, Well-Worn and Battle-Scarred. Below are the lowest prices and listing counts for each. Supply is widest in Field-Tested with 35,103 listings across 19 markets.| Exterior | Type | Lowest price | vs FN | Listings | Marketplace |
|---|---|---|---|---|---|
| Factory New | Standard | $0.44 | - | 1,341 |  Csmoney |
| Minimal Wear | Standard | $0.02 | -95.5% | 4,124 |  Buff163 |
| Field-Tested | Standard | $0.01 | -97.7% | 35,103 | Buff163 |
| Well-Worn | Standard | $0.01 | -97.7% | 6,664 |  Youpin |
| Battle-Scarred | Standard | $0.01 | -97.7% | 8,738 |  Haloskins |
| Factory New | Souvenir | $0.74 | - | 210 | Youpin |
| Minimal Wear | Souvenir | $0.04 | -94.6% | 1,023 | Buff163 |
| Field-Tested | Souvenir | $0.02 | -97.3% | 2,478 | Youpin |
| Well-Worn | Souvenir | $0.04 | -94.6% | 687 | Youpin |
| Battle-Scarred | Souvenir | $0.02 | -97.3% | 873 | Buff163 |
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