The TAPP Drum Adapter puts a 400-2,500+ round drum on your VFC / Umarex G36 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 / Umarex HK G36 GBB Series (G36C / G36K / G36V / Gen 1 & Gen 2) | Direct Native Fit | Direct OEM factory standard. Features an adjustable plunger to calibrate engagement depth against the internal valve knocker pin. Fine-tune gasket height to achieve an airtight compression seal against the G36 nozzle seal without causing bolt carrier drag. |
| WE-Tech 999 / G36 (G39 / IDZ) & Clone GBB Series | NOT Compatible | WE-Tech G36 platforms and their clones (Army Armament, WELL) utilize proprietary magazine well dimensions, different valve knocker strike angles, and distinct gas router profiles that do not align with VFC architecture. |
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: Umarex G36 AEG, WE G36/G39
Want to compare every option? Use the VFC / Umarex G36 Adapter Builder.
