The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your AimTop SVD 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 |
|---|---|---|
| AIM Top SVD GBB / CO2 Series | Direct Native Fit | Direct OEM factory standard. Fine-tune the gasket height to establish a complete compression seal against the loading nozzle, ensuring maximum gas efficiency and reliable cycling without binding the bolt carrier. |
| AIM Top SVD (Pre-2013 Vintage vs. Late Batches) | Verified Fit (Tuning Recommended) | Older production runs feature minor receiver tolerances and striker positioning variances. Fine-tune gasket elevation to prevent top-seal air gaps and maintain proper seal alignment under high-pressure operation. |
| WE-Tech Ace-VD (SVD GBB) | NOT Compatible | WE-Tech uses a completely different, proprietary Open Bolt engine architecture with incompatible magazine latch geometry, output valve heights, and gas router seal profiles. |
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: WE SVD
Want to compare every option? Use the AimTop SVD Adapter Builder.