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UMP-45 | Mudder (Factory New)

CS2SMG

UMP-45 | Mudder (Factory New)

Consumer GradeFactory New

Market Activity

Current price

$0.30ECOSteam

Unchanged since Nov 1, 2026

Price windows

  • 7D3.23%
    $0.28$0.31
  • 30D35%
    $0.28$0.46
  • All81 days87%
    $0.28$2.30
Highest
$2.30Aug 14, 2026
Lowest
$0.28Oct 29, 2026

Where the listings are

ECOSteam106 listingsHaloSkins45 listingsSkinPlace20 listingsBUFF Market17 listingsShadowPay8 listingsAvan.Market7 listingsTradeit7 listingsDMarket6 listingsMannco.store1 listing
217listings
  • ECOSteam10648.8%
  • HaloSkins4520.7%
  • SkinPlace209.2%
  • BUFF Market177.8%
  • ShadowPay83.7%
  • Avan.Market73.2%
  • Tradeit73.2%
  • DMarket62.8%
  • Mannco.store10.5%

Float Range

From 0.06To 0.80

Exists in Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred.

Source

The 2018 Inferno CollectionThe 2018 Inferno Collection16 items

Drops

Color

Composition: Brown 41%, Gray 37%, Black 15%, White 7%

Marketplace Offers

Price History

Price change over All
87%
Listings change over All
2638%

Related Items

Same Collection

View all in Same Collection

Same Paint Kit

View all in Same Paint Kit

Same Weapon

View all in Same Weapon

Same Rarity

View all in Same Rarity

About UMP-45 | Mudder

Overview

It has been painted in a marbleized pattern.

The misunderstood middle child of the SMG family, the UMP45's small magazine is the only drawback to an otherwise versatile close-quarters automatic.

Rarity

Consumer Grade

  1. Consumer Grade
  2. Industrial Grade
  3. Mil-Spec Grade
  4. Restricted
  5. Classified
  6. Covert
  7. Contraband

Collection & source

One of 16 finishes in The 2018 Inferno Collection.

Drops from London 2018 Inferno Souvenir Package.

Drops from Katowice 2019 Inferno Souvenir Package.

Drops from Berlin 2019 Inferno Souvenir Package.

Drops from Stockholm 2021 Inferno Souvenir Package.

Drops from Antwerp 2022 Inferno Souvenir Package.

Drops from Rio 2022 Inferno Souvenir Package.

Drops from Paris 2023 Inferno Souvenir Package.

Drops from Copenhagen 2024 Inferno Souvenir Package.

Drops from Shanghai 2024 Inferno Souvenir Package.

Drops from Austin 2025 Inferno Souvenir Package.

Drops from Budapest 2025 Inferno Souvenir Package.

Finish

Paint kit
Mudder
Style
Hydrographic
Paint index
90
Float range
0.06 – 0.80
Wears
Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred

Customisation

  • Up to 5 stickers
  • 1 charm
  • Name tag
  • StatTrak™ swap

Team & slot

A both-sides smg. It fills the primary slot.

Build a loadout to see what a full set costs.

Variants

Trades under 10 market names: 5 wears in Normal, 5 wears in Souvenir.

Market snapshot

Lowest price
$0.30on ECOSteam
Listings
217
Marketplaces
10
30 days
-34.8%

Question hub

How much does UMP-45 | Mudder (Factory New) cost?

The lowest price for UMP-45 | Mudder (Factory New) is $0.30 on ECOSteam, with 217 listings across 10 marketplaces Mercato tracks. Prices are compared in US dollars at the daily reference rate.

Where can I buy UMP-45 | Mudder (Factory New)?

It is listed on these marketplaces, cheapest first:

How has the price changed recently?

Measured from Mercato’s own daily ledger — the lowest ask across every marketplace it mirrors, one point per day:

  • 7D-3.2% ($0.28 – $0.31)
  • 30D-34.8% ($0.28 – $0.46)
  • All-87.0% ($0.28 – $2.30)

The highest it has been observed at is $2.30 on Aug 14, 2026, the lowest $0.28 on Oct 29, 2026.

What collection and case is it from?

It belongs to The 2018 Inferno Collection, which holds 16 finishes.

It drops from London 2018 Inferno Souvenir Package.

It drops from Katowice 2019 Inferno Souvenir Package.

It drops from Berlin 2019 Inferno Souvenir Package.

It drops from Stockholm 2021 Inferno Souvenir Package.

It drops from Antwerp 2022 Inferno Souvenir Package.

It drops from Rio 2022 Inferno Souvenir Package.

It drops from Paris 2023 Inferno Souvenir Package.

It drops from Copenhagen 2024 Inferno Souvenir Package.

It drops from Shanghai 2024 Inferno Souvenir Package.

It drops from Austin 2025 Inferno Souvenir Package.

It drops from Budapest 2025 Inferno Souvenir Package.

What float range and wears does it come in?

The finish is declared over the float range 0.06 – 0.80. A lower float is a less worn item.

It trades in 5 wears: Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred.

This page shows Factory New, which covers floats 0.00 – 0.07.

Does it come in StatTrak™ or Souvenir?
  • StatTrak™ — no.
  • Souvenir — yes, in 5 wears.