The TAPP Drum Adapter puts a 400-2,500+ round drum on your VFC G3/PSG1 for suppressive fire.
Spec card
| Type | Drum |
|---|---|
| Feeds from | Drum magazine (pre-installed) |
| BB capacity | 400-2,500+ |
| Overall profile | Medium to Large |
| Recommended mags | Tokyo Marui or Angel Custom drum |
| Best for | Suppressive fire and general skirmishes |
Drum options
- 400rd Mini: 400-round mini drum
- 1500rd Flash: 1,500-round flash drum
- 1500rd Electric: 1,500-round electric drum
- 1500rd Electric Tan: 1,500-round electric drum in tan
- 2000rd Flash: 2,000-round flash drum
- 2000rd Electric: 2,000-round electric drum
- 1200rd Twin: 1,200-round twin drum
- Adapter Only – Angel Custom: adapter only, for an Angel Custom drum you already own
- Adapter Only – TM Mini: adapter only, for a Tokyo Marui mini drum you already own
- Adapter Only – TM Twin: adapter only, for a Tokyo Marui twin drum you already own
- Adapter Only – A&K: adapter only, for an A&K drum you already own
- Adapter Only – ICS: adapter only, for an ICS drum you already own
Compatibility
| Brand / Platform | Compatibility Verification | Tuning & Adjustment Notes |
|---|---|---|
| VFC G3 / G3A3 GBB Series | Direct Native Fit | Direct OEM factory standard for VFC 7.62-pattern receivers. Features an adjustable plunger to calibrate engagement against the internal valve striker pin. Fine-tune gasket height to achieve a tight compression seal against the loading nozzle without causing bolt carrier drag. |
| VFC PSG-1 GBB Series | Verified Fit (Minor Adjustment) | Shares the core VFC G3 internal gas architecture. Fine-tune the plunger set screw depth to guarantee full valve depression by the striker, and adjust gasket height to eliminate top-seal air gaps against the bolt carrier. |
| VFC HK53 / HK33 / MP5 GBB Series | NOT Compatible | HK53, HK33, and MP5 platforms utilize narrower 5.56/.223 and 9mm magwell dimensions, different magazine catch lockups, and distinct gas router profiles that will not accept this 7.62-pattern adapter. |
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. US-spec Foster fitting included, never exceed 150 PSI, use a secondary low-pressure regulator.
- Warranty: 30-Day Warranty + Lifetime Support.
More options
Also available for: G3 AEG, JG T3 SAS AEG, VFC HK53
Want to compare every option? Use the VFC G3/PSG1 Adapter Builder.
