Mossberg 590 Shockwave 20" 14-Gauge 6-Round Pump-Action Shotgun (Model 50657)
$470.87
$581.00
(You save
$110.13
)
- Capacity-Rounds:
- 6
- Caliber-Gauge:
- 20 Gauge
- Finish-Color:
- Black
- Barrel Length:
- 14.375"
- Barrel Length Range:
- 14" to 14.99"
- OAL:
- 26.50"
- Weight:
- 4.95 lbs
- Action:
- Pump
- Safety:
- Ambidextrous
- Metal Finish:
- Blued
- Sights:
- Bead Front
- Weight Range:
- 4 lbs to 4.99 lbs
- Stock Material:
- Synthetic
- Grips:
- 4.95 lbs
- Stock Finish:
- Black
- Stock Type:
- Heavy-Walled
The Mossberg 590 Shockwave is a 14-gauge pump-action shotgun built on the legendary 590 platform, now in a compact 20" barrel configuration that delivers serious firepower in a maneuverable package. Model 50657 brings the reliability Mossberg shooters have trusted for decades to a 6-round capacity, making it a practical choice for home defense, tactical training, or situations where you need a shotgun that doesn't sacrifice handling for power. The 14-gauge brings more shot energy than a standard 12-gauge while staying in a footprint that works in tighter spaces.
This pump-action design puts you in complete control—there's no relying on semi-auto reliability or dealing with recoil management systems. You work the action, you make the shot. The 590 platform has proven itself in law enforcement and military use, and that same durability carries over here. The 20" barrel strikes a balance between sight radius and portability, useful whether you're running drills at the range or setting up for home defense scenarios.
The 6-round magazine gives you enough on-hand capacity for most situations while keeping the overall gun slim and manageable. If you're drawn to pump shotguns for their simplicity, redundancy, and raw reliability—and you want the extra punch a 14-gauge offers—the 590 Shockwave deserves a hard look.
Specifications
| Gauge | 14-Gauge |
| Action Type | Pump-Action |
| Barrel Length | 20" |
| Magazine Capacity | 6 Rounds |
| Model | 50657 |
Frequently Asked Questions
What is a 14-gauge shotgun and how does it compare to 12-gauge?
A 14-gauge shotgun fires a larger pellet payload than 12-gauge, delivering more shot energy downrange. It's less common than 12-gauge, so ammunition availability may vary by region—confirm local supply before purchase.
Is the Mossberg 590 Shockwave good for home defense?
The pump-action design, reliable platform, and compact 20" barrel make it suitable for home defense applications. Always verify local laws regarding shotgun barrel length and magazine capacity in your jurisdiction.
What does "pump-action" mean?
Pump-action (also called slide-action) means you manually cycle the fore-end to eject a spent shell and chamber the next round. It gives you complete control over each shot and doesn't rely on semi-automatic gas or recoil systems.
What's included with the Mossberg 590 Shockwave?
We don't have details on what ships with this model. Contact us or check the product documentation for information on included accessories or components.
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.
