The TAPP Ambi Angled M4 Adapter angles a standard AEG M4 mag on your SIG MPX-K for a lower, ambidextrous hold, built for competition.
Spec card
| Type | Ambi Angled M4 |
|---|---|
| Feeds from | AEG M4 mags, angled, ambidextrous |
| BB capacity | 30-250+ |
| Overall profile | Large |
| Recommended mags | PTS EPM1 or similar high-power mid-cap |
| Best for | Competitive play |
Compatibility
| Brand / Platform | Compatibility Verification | Tuning & Adjustment Notes |
|---|---|---|
| SIG Sauer / SIG AIR ProForce MPX-K AEG Series | Direct Native Fit | Direct OEM factory standard for the SIG AIR MPX-K AEG platform (VFC OEM gearbox/receiver architecture). Ensures proper magazine catch lockup height and aligned feed tube geometry to prevent feeding jams or double-feeding during high-rate-of-fire operation. |
| APFG MPX GBB & Third-Party MP5 AEG Series | NOT Compatible | Gas blowback variants (APFG) and standard MP5 AEG platforms utilize distinct magazine catch retention locations, different internal receiver channels, and non-matching feed tube geometry incompatible with SIG MPX AEG 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.
- Warranty: 30-Day Warranty + Lifetime Support.
More options
Also available for: SIG MPX AEG, APFG/VFC MPX
Want to compare every option? Use the SIG MPX-K Adapter Builder.
