The TAPP Shotgun Shell Adapter lets your M870 feed from compact shotgun-shell mags (Cyma Shell, 30 BBs) for the smallest profile.
Spec card
| Type | Shotgun Shell |
|---|---|
| Feeds from | Shotgun shell mags |
| BB capacity | 30 |
| Overall profile | Small |
| Recommended mags | Cyma Shell |
| Best for | Secondary or matching a pistol look |
Compatibility
| Brand / Platform | Compatibility Verification | Tuning & Adjustment Notes |
|---|---|---|
| M870 | Direct Native Fit | Purpose-built for the M870 magazine well and feed geometry. |
| Tokyo Marui M870 | Direct Native Fit | Same M870 magazine well and feed geometry. |
| Tokyo Marui M870 Breacher | Direct Native Fit | Same M870 magazine well and feed geometry. |
| Golden Eagle M870 | Direct Native Fit | Same M870 magazine well and feed geometry. |
| Secutor M870 | Direct Native Fit | Same M870 magazine well and feed geometry. |
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: CA 870
Want to compare every option? Use the M870 Adapter Builder.
