Out of stock
Mossberg 590A1 9 Shot Magpul Series 12 Gauge Pump-Action Shotgun, Black - 51773
Out of stock

Mossberg 590A1 9 Shot Magpul Series 12 Gauge Pump-Action Shotgun, Black - 51773

SKU 770549
Brand Mossberg
Model Number 51773
UPC 015813517737
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


  • Series/Collection: 590A1 - 9 Shot Magpul Series
  • Action: Pump
  • Stock Type: SGA Adjustable
  • Magazine Capacity: 8+1
  • Caliber/Gauge: 12 Ga
  • Sight: XS Ghost Ring
  • Receiver Material: Aluminum
  • Stock Material: Synthetic
  • Barrel Finish: Parkerized
  • Receiver Finish: Parkerized
  • Stock Finish: Black
  • Barrel Length: 20"
  • Chamber Length: 3"
  • Length of Pull: 12-1/4" to 14-1/4"
  • Overall Length: 39-1/2"
  • Weight: 7.25 lb
  • Barrel Type: Heavy-Walled
  • Safety: Ambidextrous Tang
  • Chokes: Cylinder Bore


The Mossberg 590A1 Tactical pump-action shotgun was selected by the U.S. Armed Forces. After passing the rigors of MILSPEC qualification, the 590A1 is the duty weapon of choice for the military and law enforcement agencies worldwide. The 590A1 is the only pump-action shotgun to pass MilSpec 3443E. The 590A1 also features a parkerized finish on heavy-walled barrels; metal trigger guard and safety buttons. 


  • Mil-Spec construction - the only pump-action shotgun to pass Mil-Spec 3443E
  • Heavy-walled barrels with parkerized finish
  • Metal trigger guard and safety buttons
  • Clean out magazine tube
  • Magpul SGA adjustable LOP stock with interchangeable cheek riser combs, MOE forend, sling pates


Q & A

Retail Stock


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
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).