Who created the UMP-45 | Mudder skin?

kr1j — author of the Steam Workshop submission this skin is based on. Matched by submission name; Valve provides no official attribution for it.

How much does UMP-45 | Mudder (Field-Tested) cost?

The lowest price is $0.01 on BUFF163; the highest we track is $0.03. That is a 236% spread between markets.

What is the float range of Field-Tested?

From 0.15 to 0.38. The skin's full range is 0.06–0.8.

Where is UMP-45 | Mudder (Field-Tested) cheapest to buy?

Right now the best price is on BUFF163 at $0.01. We compare 8 marketplaces plus Steam; prices refresh automatically.

How much can I get for UMP-45 | Mudder (Field-Tested) instantly?

Selling into the buy order on Market.CSGO nets $0.03 after the 5% fee.

How much would listing it for sale bring?

The best market is CS.MONEY: $0.02 list price, $0.02 net after fees.

Is the UMP-45 | Mudder (Field-Tested) price going up or down?

Over the last 49 days it rose by 69.8%. Low $0.01 (2026-07-29), high $0.04 (2026-08-31), based on 1946 price samples.

What floats are currently listed?

135 live listings: floats from 0.1512 to 0.3799, median 0.3169. 10 of them are below 0.208.

CS2Price › UMP-45 | Mudder › UMP-45 | Mudder (Field-Tested)

UMP-45 | Mudder (Field-Tested)

UMP-45 | Mudder (Field-Tested) is a Consumer Grade CS2 skin from The 2018 Inferno Collection, float 0.15–0.38. Tracked on 8 markets: cheapest at $0.01 (BUFF163), highest at $0.03, a 236% spread. Skin author: kr1j (per the Steam Workshop).

UMP-45Consumer GradeField-Tested

All prices & listings →

$0.01cheapest · BUFF163

236%spread between markets

$0.03instant sell · Market.CSGO

$0.02net when listed · CS.MONEY

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.

Where to buy UMP-45 | Mudder (Field-Tested) cheapest

#	Market	Price
1	BUFF163	$0.01
2	YouPin898	$0.01
3	CS.MONEY	$0.02
4	Skinport	$0.02
5	CSFloat	$0.03
6	Steam	$0.03
7	Waxpeer	$0.03
8	Market.CSGO	$0.03

Full comparison with history, live listings and a float filter — on the UMP-45 | Mudder (Field-Tested) comparison page.

Sell instantly: buy orders

Market	Order	You receive
Market.CSGO	$0.03 × 8	$0.03
BUFF163	$0.01	$0.01

"You receive" is net of the marketplace fee.

Used in trade-up contracts

This item is used as an input in 2 trade-up contract(s) from our database.

Price history

+69.8%over 49 days

$0.01low · 2026-07-29

$0.04high · 2026-08-31

1,946price samples

Other wears and versions

Factory New — $0.61 Minimal Wear — $0.02 Well-Worn — $0.01 Battle-Scarred — $0.01 Souvenir Factory New — $0.74 Souvenir Minimal Wear — $0.06 Souvenir Field-Tested — $0.02 Souvenir Well-Worn — $0.06 Souvenir Battle-Scarred — $0.03

All UMP-45 | Mudder wears on one page →

All listings & prices in the app

FAQ

Who created the UMP-45 | Mudder skin?: kr1j — author of the Steam Workshop submission this skin is based on. Matched by submission name; Valve provides no official attribution for it.
How much does UMP-45 | Mudder (Field-Tested) cost?: The lowest price is $0.01 on BUFF163; the highest we track is $0.03. That is a 236% spread between markets.
What is the float range of Field-Tested?: From 0.15 to 0.38. The skin's full range is 0.06–0.8.
Where is UMP-45 | Mudder (Field-Tested) cheapest to buy?: Right now the best price is on BUFF163 at $0.01. We compare 8 marketplaces plus Steam; prices refresh automatically.
How much can I get for UMP-45 | Mudder (Field-Tested) instantly?: Selling into the buy order on Market.CSGO nets $0.03 after the 5% fee.
How much would listing it for sale bring?: The best market is CS.MONEY: $0.02 list price, $0.02 net after fees.
Is the UMP-45 | Mudder (Field-Tested) price going up or down?: Over the last 49 days it rose by 69.8%. Low $0.01 (2026-07-29), high $0.04 (2026-08-31), based on 1946 price samples.
What floats are currently listed?: 135 live listings: floats from 0.1512 to 0.3799, median 0.3169. 10 of them are below 0.208.

Collection

Prices updated: 4 min ago · 9/3/2026, 8:58:09 PM

Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.