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Mossberg 590 Shockwave SPX

  • Brand Mossberg
  • Product Code: 590 Shockwave SPX
  • Availability: In Stock


The Mossberg 590® Shockwave SPX 12 Gauge Shotgun is a pistol grip firearm built to deliver Mossberg's reliable pump-action in a compact-barreled design. This 12-gauge pistol grip shotgun features a receiver-mounted side saddle with five removable shellholders to keep shells at-the-ready. A positive steel-to-steel lockup on this Mossberg firearm ensures reliable power and precision, while a barrel heat shield protects hands from the hot metal caused by repeated firing. The 590 Shockwave SPX is built with twin action bars and an anti-jam elevator to deliver smooth cycling of rounds. A corncob forend with an attached strap provides a secure hold for quick pointing and improved control. With a removable top rail for mounting optics, the Mossberg 590® Shockwave SPX 12 Gauge Shotgun offers reliable pump-action performance in a pistol grip firearm built for accuracy.


  • Positive steel-to-steel lockup for reliable power
  • Barrel heat shield for more comfortable operation
  • Receiver-mounted side saddle with five shellholders
  • Removable top rail for mounting sights and accessories
  • Twin action bars and anti-jam elevator ensure smooth performance
  • Corncob forend with strap offers improved pointing and maneuvering


  • Model: 50648
  • UPC: 015813506489
  • Bore: 12 gauge
  • Action: Pump
  • Capacity: 5+1
  • Approximate Weight: 5.75 lbs.
  • Chamber Length: 3 in.
  • Barrel Length: 14.375 in.
  • Overall Length: 26.37 in.
  • Sight: Bead
  • Choke: Cylinder bore
  • Barrel Finish: Matte blue
  • Stock Finish: Raptor Grip/Corncob forend w/strap
  • Barrel Type: Heavy-walled w/ heat shield, Breacher

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Tags: Mossberg, 590, Shockwave, SPX