Out of stock
Mossberg 590A1 - 7 Shot - Mariner 12 Gauge Pump-Action Shotgun, Black - 50777
Out of stock

Mossberg 590A1 - 7 Shot - Mariner 12 Gauge Pump-Action Shotgun, Black - 50777

SKU 770598
Brand Mossberg
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Product Details


  • Series/Collection: 590A1 - 7 Shot - Mariner
  • Action: Pump
  • Stock Type: Fixed
  • Magazine Capacity: 6+1
  • Caliber/Gauge: 12 Ga
  • Sight: Bead
  • Stock Material: Synthetic
  • Barrel Finish: Marinecote
  • Receiver Finish: Marinecote
  • Stock Finish: Black
  • Barrel Length: 18-1/2"
  • Chamber Length: 3"
  • Length of Pull: 13-7/8"
  • Overall Length: 39-1/2"
  • Weight: 7 lb
  • Barrel Type: Heavy-Walled
  • Safety: Ambidextrous Tang
  • Chokes: Cylinder Bore


The Mossberg 590A1 is a 12 gauge tactical shotgun with a 3 inch chamber. It also features a 18.5 inch barrel, a heavy-walled barrel, a bead front sight, and a 7 round capacity.


  • Mil-Spec construction - the only pump-action shotgun to pass Mil-Spec 3443E
  • Heavy-walled barrels in either parkerized, marinecote, or kryptek typhon camo finishes
  • Metal trigger guard and safety buttons
  • Clean out magazine tube
  • Magazine tube extension and tactical tri-rail forend
  • 590A1 shotguns, the +4 shell holder stock holds an additional four shot shells - keeping you prepared during unexpected emergencies
  • 590A1 models offer the convenience of a compact 18-1/2 inches barrel with the peace of mind of 7-shot capacity when every round matters


Q & A