The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your DoubleBell 1911 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 |
|---|---|---|
| Double Bell / Tokyo Marui / KJW / WE-Tech 1911 GBB Series | Direct Native Fit | Direct OEM factory standard for Double Bell 1911 series (TM-spec single-stack architecture) and compatible TM-pattern platforms (Tokyo Marui, KJW, WE-Tech single-stack 1911). 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. |
| KWA / KSC / Western Arms / KWC 1911 & Double Bell Hi-Capa Series | NOT Compatible | KWA/KSC System7 1911, KWC CO2 1911, Western Arms platforms, and double-stack Hi-Capa lines utilize distinct magwell frame dimensions, non-matching valve striker heights, and proprietary gas router seal profiles incompatible with Double Bell single-stack TM-spec 1911 architecture. |
This shares the same TM-spec single-stack magazine as Tokyo Marui's own 1911 — you can also use the dedicated TM 1911 HPA Adapter/Drum listing.
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 1911, TM 1911, Cybergun 1911, G&G GPM1911 CP, KWA 1911
Want to compare every option? Use the DoubleBell 1911 Adapter Builder.
