The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your Umarex/VFC Walther PPQ M2 that bolts on with no HPA setup.
Spec card
| Type | Green Gas Drum |
|---|---|
| Feeds from | Green gas (GBB) drum |
| BB capacity | 400 |
| Overall profile | Large |
| Recommended mags | AW Custom |
| Best for | Plug and play, no HPA setup needed |
Color options
- Black: 400-round AW Custom green gas drum in black
- Red: 400-round AW Custom green gas drum in red
- Green: 400-round AW Custom green gas drum in green
- Green/Black: 400-round AW Custom green gas drum in green/black
- AW Adapter Only: adapter only, for an AW green gas drum you already own
Compatibility
| Brand / Platform | Compatibility Verification | Tuning & Adjustment Notes |
|---|---|---|
| Umarex / VFC Walther PPQ M2 GBB Pistol Series | Direct Native Fit | Direct OEM factory standard for the VFC-manufactured Umarex Walther PPQ M2 platform. Fine-tune the adjustable gasket height to establish an airtight compression seal against the loading nozzle seal, ensuring maximum gas efficiency and smooth recoil recovery without creating drag on the returning slide assembly. |
| Tokyo Marui / WE-Tech / KWC Walther Models & Non-VFC Pistol Lines | NOT Compatible | KWC-manufactured Walther models (such as the P99/PPQ spring or fixed-slide/CO2 variants), Marui-pattern platforms, and non-VFC pistol series utilize distinct internal frame dimensions, non-matching valve striker placement, and proprietary gas router profiles incompatible with VFC PPQ M2 architecture. |
What's in the box and how to install
- Plug and play: no pulling valves or feed lips from stock mags.
- Materials: standard body is Nylon PA12. Carbon Fiber is available (3x stiffness, up to 38% higher tensile strength than Nylon 12).
- Made in the USA by TAPP Airsoft.
- Install: insert with the bolt or slide locked back.
- Warranty: 30-Day Warranty + Lifetime Support.
More options
Also available for: WELLPRO PPK-20
Want to compare every option? Use the Umarex/VFC Walther PPQ M2 Adapter Builder.
