CMMG's FNH P90 Flash Hider is compatible with a short barrel on your PS90 SBR build.
Specifications:
| Type | Flash Hider |
| Model | FNH P90 |
| Dimensions | |
| Size | |
| Material | Steel |
| Action | |
| Trigger | |
| Safety | |
| Thread Pattern | M12x1 LH |
| Finish | Black |
| Bolt Type | |
| Hand | |
| Hammer Type | |
| Max Capacity |