Mossberg 590 Shockwave SPX 12ga Pump-Action Shotgun - Model 50648
$578.84
$714.00
(You save
$135.16
)
- Capacity-Rounds:
- 5
- Caliber-Gauge:
- 12 Gauge
- Barrel Length:
- 14.375"
- Barrel Length Range:
- 14" to 14.99"
- OAL:
- 26.37"
- Weight:
- 5.75 lbs
- Action:
- Pump
- Safety:
- Ambidextrous Top Tang
- Metal Finish:
- Blued
- Sights:
- Bead Front
- Weight Range:
- 5 lbs to 5.99 lbs
- Stock Material:
- Synthetic
- Grips:
- 5.75 lbs
- Stock Finish:
- Black
- Stock Type:
- Heavy-Walled Heat Shield
The Mossberg 590 Shockwave SPX is a 12-gauge pump-action shotgun purpose-built for home defense and personal protection without the regulatory complexity of NFA-registered firearms. This compact, non-NFA shotgun delivers the stopping power and reliability shooters expect from the 590 platform while keeping things short and maneuverable—exactly what you want when seconds count and hallways are tight.
The SPX builds on Mossberg's proven Shockwave concept with genuine upgrades. A factory-installed Picatinny rail atop the receiver lets you mount optics, lasers, or lights to suit your setup. The breacher-style muzzle serves double duty as a defensive tool and mounting point, while the integral heat shield protects your support hand from barrel heat during extended use. An aluminum side saddle integrated into the receiver keeps five extra rounds within arm's reach—practical for home defense scenarios where reload speed matters.
Weighing 6.75 pounds with a 14.37-inch barrel and 26.5-inch overall length, the 590 Shockwave SPX strikes the balance between firepower and handling you need in a defensive shotgun. The 5+1 round capacity (five in the magazine tube, one in the chamber) gives you reliable firepower before reloading. Built on the same battle-tested 590 receiver that's earned trust with military and law enforcement, this gun carries that duty-ready pedigree into your home defense plan.
If you're building a personal defense setup and want a legal, manageable shotgun without the paperwork and wait times of NFA registration, the 590 Shockwave SPX delivers the platform, capacity, and accessory flexibility to get the job done.
Key Features
- Non-NFA 12-gauge pump-action shotgun—legal home defense firepower without federal registration
- Top-mounted Picatinny rail for mounting optics, lasers, or tactical lights
- Breacher-style muzzle for defensive utility and accessory mounting
- Integral aluminum side saddle holds five extra rounds for quick access
- Heat shield shrouding the barrel protects your hands during use
- 5+1 round capacity (magazine tube plus chamber)
- Reliable Mossberg 590 receiver platform trusted in professional duty use
Specifications
| Gauge | 12 |
| Action | Pump (Slide) |
| Barrel Length | 14.37 inches |
| Overall Length | 26.5 inches |
| Weight | 6.75 pounds |
| Magazine Capacity | 5+1 rounds |
| Model | 50648 |
| Receiver Rail | Picatinny (top) |
Frequently Asked Questions
Is the Mossberg 590 Shockwave SPX legal to own as a non-NFA shotgun?
Yes. The 590 Shockwave SPX is designed and manufactured as a non-NFA firearm, meaning it meets federal requirements for ownership without requiring NFA registration or a tax stamp. Always verify your state and local laws before purchase, as some jurisdictions have additional restrictions on short-barreled shotguns.
Can I mount a red dot or thermal optic to the 590 Shockwave SPX?
Yes. The factory Picatinny rail on top of the receiver provides a standard mounting surface for optics, lasers, and light systems designed for Picatinny attachment. This lets you customize the shotgun for your specific home defense or tactical setup.
How many rounds does the 590 Shockwave SPX hold?
The shotgun holds five rounds in the magazine tube plus one in the chamber, giving you 5+1 total capacity. The aluminum side saddle mounted on the receiver provides quick-access storage for five additional rounds.
What's included with the 590 Shockwave SPX?
The product record provided does not specify what accessories or documentation are included with the firearm. Contact Bosque Outdoors directly for a complete list of what ships in the box.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
- Prior to placing an order, it is the buyer's responsibility to understand and adhere to their state's firearm regulations.
- The buyer should verify with their receiving dealer that the chosen firearm is legally permissible in their state.
- The buyer is accountable for any transfer fees or background check charges imposed by the receiving dealer. If the designated dealer declines to accept the firearm delivery, the buyer assumes responsibility for shipping costs to retrieve the firearm and resend it to an accommodating dealer.
- Handguns will be shipped using air transportation, while long guns can be shipped using ground methods. If your order includes a mix of firearm and non-firearm items, BOSQUE Outdoors will send the firearm(s) to your selected FFL dealer and the remaining non-firearm items to your billing address.
- Firearms cannot be returned to BOSQUE Outdoors; please contact the manufacturer for warranty claims.
- Firearms refused by the FFL Dealer or which cannot be transferred due to a failed background check are subject to a $75 restocking fee plus 10% of the purchase price.
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