| Brand | Mossberg |
| Category | Shotguns |
| Series | AfterShock |
| Model | 990 |
| Gauge | 12 Gauge |
| Barrel Length Range | 14" to 14.99" |
| Operating System | Gas |
| Stock Finish Group | Black |
| Capacity | 5+1 |
| Stock Material | Synthetic |
| Action | Semi-Auto |
| OAL | 27.13" |
| Hand | Ambidextrous |
| Sights | Fiber Optic Front |
| Chamber | 3" |
| Barrel Finish | Matte Blued |
| Barrel Material | Chrome Lined Steel |
| Grips | Black Aftershock |
| Application | Home Defense |
| Chokes Included | Cylinder Bore |
| Forend Type | Strapped w / M-LOK |
| Safety | Ambidextrous |
| Barrel Length | 14.75" |
| Max Capacity | 5 |
| Receiver Finish | Matte Blued |
| Weight | 6.10 lbs |
| Search Code | MOSS |
| Similar Items | SGA12 |