The TAPP Green Gas Drum is a 400-round green gas drum (AW Custom) for your KWA 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 |
|---|---|---|
| KWA / KSC 1911 Mark Series NS2 / System7 GBB | Direct Native Fit | Direct OEM factory standard for KWA's single-stack 1911 Mark I–IV NS2 pistol series. Fine-tune gasket height to achieve a complete air seal against the loading nozzle without causing drag on the returning slide assembly. |
| Tokyo Marui / WE-Tech / KJW 1911 GBB Series | NOT Compatible | TM-spec 1911 designs use completely different output valve alignments, feed lip geometry, and gas router seal contours compared to the KWA NS2 engine. |
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, DoubleBell 1911, G&G GPM1911 CP
Want to compare every option? Use the KWA 1911 Adapter Builder.
