Mossberg 590 Shockwave 12 Gauge 18.5" Barrel With Pistol Grip is a Mossberg pump-action shotgun chambered in 12 Gauge from the 590 family. The rugged Mossberg 590 platform uses a pump-action system with twin action bars, dual extractors and steel-to-steel lockup.
- Product type: Pump-Action Shotgun
- Model family: 590
- Gauge / caliber: 12 Gauge
- Barrel length: 18.5 inches
- Configuration: pistol-grip configuration
