Doppler and Gamma Doppler are split into phases. Standard Doppler has Phase 1–4 plus the rare Ruby (red), Sapphire (blue) and Black Pearl. Gamma Doppler adds Emerald as its top phase.
The phase is part of the item and changes both the look and the value — Ruby, Sapphire, Emerald and Black Pearl trade well above the numbered phases. On this page the phase is shown in the name and selectable where variants exist.
Across 21 markets the FT floor moved -5.5% in 22 days: $79.82 → $75.39.
Sources: Valve item data · our 21-market price snapshot.
How much does Glock-18 (Gamma Doppler) cost?
Glock-18 (Gamma Doppler) is listed from $75.39 on 21 marketplaces, every price with buyer fees in. Wear floors: FN $136.11 · MW $87.51 · FT $75.39 · WW $79.22 · BS $82.45.
Where can I sell or cash out Glock-18 (Gamma Doppler)?
Right now CSFloat pays the most: $74.19 net after its seller fee; the Sell tab holds the full ranking by take-home amount.
Does Glock-18 (Gamma Doppler) come in StatTrak or Souvenir?
Yes: Souvenir versions trade alongside the standard one. Switch with the Quality pills above and the whole page recalculates.
Inspect a FT copy in game 
