| Finish | Parkerized |
| Capacity | 8 + 1 |
| Barrel Length | 20" |
| Action | Pump Action |
| Overall Length | 41" |
| Sights | Ghost Ring |
| Stock | Synthetic Stock Black Synthetic |
| Grips | Black Synthetic |
| Rate of Twist | Heavy-Walled |
| Series | SPX |
| Model | 590A1 SPX |
| Type | Shotgun |
| Caliber | 12 GA |
| Manufacturer | Mossberg |