The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your VFC MP7 (Navy) 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 MP7A1 GBB SMG Series (Navy / Foldable Foregrip V2 GBB) | Direct Native Fit | Direct OEM factory standard for the VFC-manufactured Umarex MP7A1 GBB series (1:1 scale platform). Fine-tune the adjustable gasket height to establish an airtight compression seal against the loading nozzle assembly, ensuring maximum gas efficiency and rapid bolt cycling without creating friction against the reciprocating bolt mechanism. |
| Tokyo Marui MP7 / KWA MP7 / WE Small Rice & Third-Party SMG Lines | NOT Compatible | Tokyo Marui MP7, KWA/KSC MP7, and WE-Tech SMG models are built to undersized scales (~90% scale) or proprietary internal engine specifications, featuring non-matching magwell dimensions, distinct valve striker locations, and incompatible gas router seal profiles with VFC MP7 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: TM MP7, KWA MP7, WE SMG8
Want to compare every option? Use the VFC MP7 (Navy) Adapter Builder.