UMP-45 | Mudder
Consumer Grade SMGs
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.
The 2018 Inferno Collection
Copenhagen 2024 Inferno Souvenir Package
Stockholm 2021 Inferno Souvenir Package
Berlin 2019 Inferno Souvenir Package
Budapest 2025 Inferno Souvenir Highlight Package
Budapest 2025 Inferno Souvenir Package
London 2018 Inferno Souvenir Package
Katowice 2019 Inferno Souvenir Package
Austin 2025 Inferno Souvenir Package
Paris 2023 Inferno Souvenir Package
Rio 2022 Inferno Souvenir Package
Austin 2025 Inferno Souvenir Highlight Package
Antwerp 2022 Inferno Souvenir Package
Shanghai 2024 Inferno Souvenir PackageActive offers
More UMP-45 skins
Skins with a similar finish name on other weapons
Frequently asked questions
About UMP-45 | Mudder
What is UMP-45 | Mudder (Factory New) in Counter-Strike 2?▼
UMP-45 | Mudder (Factory New) is a Counter-Strike 2 cosmetic item. On this page, CSDelta shows live marketplace prices, how many listings we see, and a short price history so you can shop with context.
What is a typical lowest ask for UMP-45 | Mudder (Factory New)?▼
Today the lowest price we list for UMP-45 | Mudder (Factory New) is about $0.30 USD on CSGOEmpire before fees. Prices change by site and by listing—open the Active offers table and compare every marketplace before you buy.
What wear grades and float does UMP-45 | Mudder use?▼
Weapon skins are sold in five wear grades: Factory New, Minimal Wear, Field-Tested, Well-Worn, and Battle-Scarred. Each grade is its own listing name, usually with the grade in parentheses (for example “… (Field-Tested)”). Float is the exact wear number inside that skin’s allowed range (standard CS2 wear buckets); lower float in the same grade usually looks less worn.
Does UMP-45 | Mudder (Factory New) come in StatTrak™ or Souvenir?▼
StatTrak™ and Souvenir are real variants in CS2: they use different marketplace listing titles (StatTrak™ in the name, or Souvenir for Major-drop versions). Wear grades still apply to skins that have them. Yes—Souvenir is listed for this finish on this page. StatTrak™ does not exist for every skin; if it is missing here, that variant is not in our catalog for this finish.
Which CS2 collection includes UMP-45 | Mudder?▼
This finish belongs to the “The 2018 Inferno Collection” collection. Linked weapon cases, sticker capsules, or souvenir packages show up as clickable rows under Collection and Case on this page when our data ties them to this item.
Can UMP-45 | Mudder drop from a case or capsule?▼
Yes—this item can be associated with containers such as “Copenhagen 2024 Inferno Souvenir Package” in CS2. Drop odds change when Valve updates the game; use official patch notes if you need the latest rates. The Case row on this page links to the container we match to UMP-45 | Mudder.