The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your TM 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 |
|---|---|---|
| TM 1911 | Direct Native Fit | Purpose-built for the TM 1911 magazine well and feed geometry. Seat the adapter fully and confirm a positive seal against the loading nozzle for maximum gas efficiency and consistent feeding, without introducing drag on the reciprocating assembly. |
| KJW / WE-Tech / Double Bell TM-Spec 1911 GBB Series | Verified Fit (Shared TM-Spec Single-Stack Architecture) | These brands build to the same TM single-stack magazine and feed geometry, so this adapter installs and seals the same way. Fine-tune the adjustable gasket height to compensate for minor receiver tolerances between manufacturers. |
| KWA / KSC System7 1911 & Western Arms 1911 Lines | NOT Compatible | KWA/KSC's System7/NS2 1911 and Western Arms 1911 use a different magazine and feed geometry from the TM-spec single-stack family and will not seat or seal with this adapter. |
Have a Double Bell 1911? It's the same TM-spec architecture — either listing works, or see the DoubleBell 1911 HPA Adapter/Drum directly.
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, Cybergun 1911, DoubleBell 1911, G&G GPM1911 CP, KWA 1911
Want to compare every option? Use the TM 1911 Adapter Builder.
