The TAPP M4 Adapter lets your KWA F90 run standard AEG M4/M16 magazines: cheap, light and everywhere.
Spec card
| Type | M4 |
|---|---|
| Feeds from | Standard AEG M4/M16 mags |
| BB capacity | 30-250+ |
| Overall profile | Medium |
| Recommended mags | PTS EPM1 or similar high-power mid-cap |
| Best for | Competitive play |
Compatibility
| Brand / Platform | Compatibility Verification | Tuning & Adjustment Notes |
|---|---|---|
| KWA Lithgow Arms Licensed F90 (Standard & In Door) | Direct Native Fit | Purpose-built for the KWA F90 magazine well and feed geometry. Fits both the standard and In Door versions of the Lithgow Arms licensed F90, which share the same F90 gas blowback magazine. Fine-tune the adjustable plunger height to establish a positive compression seal against the loading nozzle, maximising gas efficiency and feed consistency while preventing mechanical drag during the cycle. |
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
Want to compare every option? Use the KWA F90 Adapter Builder.
