Glock-18 | Gamma Doppler: trade up odds, float & price

Covert Pistols skin from the 2021 Train Collection. Float range 0.00 – 0.50, available in Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred. You can get it from a trade up of 10 Classified skins of the 2021 Train Collection with a 50% chance per contract.

Glock-18 | Gamma Doppler price by wear

Wear	Float	Price	StatTrak™
Factory New (FN)	0.000 – 0.070	$106.79	—
Minimal Wear (MW)	0.070 – 0.150	$88.74	—
Field-Tested (FT)	0.150 – 0.380	$74.90	—
Well-Worn (WW)	0.380 – 0.450	$86.91	—
Battle-Scarred (BS)	0.450 – 0.500	$80.25	—

Price check, 2026-11-11: the cheapest Glock-18 | Gamma Doppler is Field-Tested at $56.39 on CS.MONEY. Battle-Scarred costs $84.76, 1.5× as much. On the Steam Market the Field-Tested sells for $74.90, 33% above the cheapest marketplace listing.

Glock-18 | Gamma Doppler phases

Every Glock-18 | Gamma Doppler comes in one of 5 phases decided by its paint seed; Emerald is the rare one. Marketplaces list phases separately, so these prices come from the phase listings.

Phase	Price (FN)	Price (MW)
Phase 1	$79.80	$66.59
Phase 2	$88.09	$70.00
Phase 3	$75.84	$59.93
Phase 4	$77.16	$59.51
Emerald	$305.94	$199.53

How to trade up into the Glock-18 | Gamma Doppler

Put 10 Classified skins from the 2021 Train Collection into a trade up contract. The collection has 2 Covert skins, so with all 10 inputs from this collection the Gamma Doppler has a 50% chance (the other outcome is M4A4 | The Coalition). Mixing in another collection lowers the chance in proportion to the inputs you replace.

Inputs (Classified): FAMAS | Meltdown, MAC-10 | Propaganda, USP-S | Whiteout.
Factory New result: average normalised input float ≤ 0.1400.
Minimal Wear result: average normalised input float ≤ 0.3000.
Output float: 0.00 + average × 0.50 – see the float guide.

Cheapest Glock-18 | Gamma Doppler trade ups right now

10 identical Classified inputs from the 2021 Train Collection at today’s prices. Every contract below has a 50% chance of this skin – open one to change floats, wear or fee.

Contract	Cost	EV	ROI	Chance of profit
10× FAMAS \| Meltdown MW Classified → Covert	$421.60	$267.72	-36.5%	50.0%	Open in calculator
10× FAMAS \| Meltdown FN Classified → Covert	$796.60	$367.58	-53.9%	0.0%	Open in calculator
10× MAC-10 \| Propaganda BS Classified → Covert	$361.00	$118.83	-67.1%	0.0%	Open in calculator
10× FAMAS \| Meltdown FT Classified → Covert	$371.00	$117.66	-68.3%	0.0%	Open in calculator
10× MAC-10 \| Propaganda WW Classified → Covert	$376.10	$117.66	-68.7%	0.0%	Open in calculator

Steam Market prices, snapshot of 2026-09-27 (USD, before fees); the table refreshes with live prices on page load. Knives and gloves above Steam's $2,000 listing cap use the lowest marketplace price.

Build a contract for the Glock-18 | Gamma Doppler
Open in the calculator (auto-builds the cheapest contract)

Trade up value

The Glock-18 | Gamma Doppler is a Covert skin from a non-case collection, so it cannot be used for the 5 Covert → knife trade up (only weapon case collections have a knife pool).