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 (Well-Worn) cost?

The lowest price is $0.01 on BUFF163; the highest we track is $0.09. That is a 760% spread between markets.

What is the float range of Well-Worn?

From 0.38 to 0.45. The skin's full range is 0.06–0.8.

Where is UMP-45 | Mudder (Well-Worn) 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 (Well-Worn) instantly?

Selling into the buy order on BUFF163 nets $0.01 after the 3% 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 (Well-Worn) price going up or down?

Over the last 47 days it rose by 30.8%. Low $0.01 (2026-08-01), high $0.05 (2026-07-21), based on 1390 price samples.

What floats are currently listed?

129 live listings: floats from 0.3801 to 0.4433, median 0.3883. 101 of them are below 0.396.

CS2Price › UMP-45 | Mudder › UMP-45 | Mudder (Well-Worn)

UMP-45 | Mudder (Well-Worn)

UMP-45 | Mudder (Well-Worn) is a Consumer Grade CS2 skin from The 2018 Inferno Collection, float 0.38–0.45. Tracked on 8 markets: cheapest at $0.01 (BUFF163), highest at $0.09, a 760% spread. Skin author: kr1j (per the Steam Workshop).

UMP-45Consumer GradeWell-Worn

All prices & listings →

$0.01cheapest · BUFF163

760%spread between markets

$0.01instant sell · BUFF163

$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 (Well-Worn) cheapest

#	Market	Price
1	BUFF163	$0.01
2	YouPin898	$0.01
3	CS.MONEY	$0.02
4	Skinport	$0.02
5	Market.CSGO	$0.03
6	CSFloat	$0.03
7	Steam	$0.03
8	Waxpeer	$0.09

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

Sell instantly: buy orders

Market	Order	You receive
BUFF163	$0.01	$0.01
Market.CSGO	$0.01 × 22	$0.01

"You receive" is net of the marketplace fee.

Price history

+30.8%over 47 days

$0.01low · 2026-08-01

$0.05high · 2026-07-21

1,390price samples

Other wears and versions

Factory New — $0.60 Minimal Wear — $0.02 Field-Tested — $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 (Well-Worn) cost?: The lowest price is $0.01 on BUFF163; the highest we track is $0.09. That is a 760% spread between markets.
What is the float range of Well-Worn?: From 0.38 to 0.45. The skin's full range is 0.06–0.8.
Where is UMP-45 | Mudder (Well-Worn) 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 (Well-Worn) instantly?: Selling into the buy order on BUFF163 nets $0.01 after the 3% 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 (Well-Worn) price going up or down?: Over the last 47 days it rose by 30.8%. Low $0.01 (2026-08-01), high $0.05 (2026-07-21), based on 1390 price samples.
What floats are currently listed?: 129 live listings: floats from 0.3801 to 0.4433, median 0.3883. 101 of them are below 0.396.

Collection

Prices updated: 5 min ago · 9/3/2026, 7:43:09 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.