Mossberg® 590® Shockwave 20 Ga 3″ 14.375″ Barrel


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SKU: MOS50657 Categories: , Tag:

Features the Shockwave signature bird’s-head grip, uniquely shaped to minimize felt recoil. Also includes the features that have made Mossberg pump-actions the choice for millions worldwide: ambidextrous safety, dual extractors, positive steel-to-steel lockup, twin action bars, and a smooth operating anti-jam elevator.


  • Bird’s-head Grip
  • Clean-out Tube
  • Heavy-walled Barrel
  • Strapped Forend
  • Drilled & Tapped Receiver


Action Pump Ejection Right
Stock None Buttpad N/A
Length of Pull Type N/A Length of Pull (in) N/A
Adjustable Comb N/A Drop at Comb N/A
Drop at Heel N/A Grip Synthetic Bird’s-head
Trigger Style Single Trigger Magazine Fixed Tube
Capacity 5 + 1 Forend Synthetic Corn Cob w/ Strap
Safety Tang Optic interface Drilled and Tapped
Rear Sight None Front Sight Fixed Brass Bead
Barrel Type Heavy-Walled Barrel Finish Matte Blued
Choke Family None Choke Cylinder Bore
Overall Length (in) 26.37 Weight (lbs) 4.95
Accessory Interface Sling Stud Buttstock, Mag Cap

Additional Information:

Manufacturer SKU 50657
Distributor Item Number 0902-1515


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20 Gauge




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