Mossberg Patriot 450 BSM 20" BBL
- Manufacturer: Mossberg
- Model: Patriot Predator
- Caliber: 450 Bushmaster
- Barrel Length: 20"
- Twist Rate: 1:24"
- Stock: Black Synthetic
- Magazine Capacity: 4 Rounds
- Barrel Finish: Matte Blue
- Other Features: Spiral Fluted Bolt; Weaver-Style Base