Mossberg 590 Tactical M-Lock 12Ga 20 Ghost Ring 9Rd

Mossberg 590 Tactical M-Lok 12Ga Shotgun, 20" Barrel, Ghost Ring Sights, 9-Round Capacity

Mossberg
SKU:
120923638
|
UPC:
015813506748
$567.71
$700.00
(You save $132.29 )
Current Stock:
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Product Specifications
Capacity-Rounds:
8
Caliber-Gauge:
12 Gauge
Hand:
Right Hand
Barrel Length:
20"
Barrel Length Range:
20" to 21.99"
OAL:
41"
Chamber:
3"
Weight:
7.25 lbs
Action:
Pump
Stock Finish Group:
Black
Sights:
Ghost Ring
Weight Range:
7 lbs to 7.99 lbs
Chokes Included:
Cylinder Bore
Choke Configuration:
Accu-Choke
Product Overview

The Mossberg 590 Tactical M-Lok 12-gauge shotgun is a purpose-built home defense and tactical shotgun that combines reliability, modularity, and practical ergonomics in a compact package. With its 20-inch barrel, ghost ring sights, and 9-round capacity, this pump-action shotgun delivers the stopping power and fast follow-up shots you need when it counts. The M-Lok forend gives you the flexibility to mount lights, lasers, or grips exactly where you want them—no rail bloat, just smart customization for your mission.

Mossberg's 590 platform has been a workhorse for law enforcement, military, and civilian shooters for decades, and this tactical variant carries that heritage forward. The synthetic stock and matte blued barrel are built to handle the elements and rough use, while the fixed length of pull keeps things simple and consistent. Whether you're setting up for home defense, tactical training, or emergency readiness, the 590 Tactical M-Lok gives you a proven platform you can trust to perform when it matters.

The Accu-Choke system lets you swap choke tubes to match your ammunition and distance—the cylinder bore choke comes installed and ready to run. Ghost ring sights provide fast target acquisition in low light without the battery dependency of electronic optics, and they co-witness perfectly with any optic you decide to mount. At 7.25 pounds and just over 41 inches long, the 590 Tactical handles smoothly in tight spaces while remaining balanced enough for extended shooting sessions.

Key Features

  • 9-round magazine capacity for sustained fire and tactical flexibility
  • 20-inch barrel optimized for close-quarters work and rapid target transitions
  • M-Lok forend allows tool-free mounting of tactical accessories
  • Ghost ring sights for rapid target acquisition in any light condition
  • Accu-Choke system with included cylinder bore choke for pattern control
  • Synthetic stock and matte blued finish engineered for durability and low maintenance
  • Fixed length of pull (13.87 inches) for consistent, repeatable shooting

Specifications

Gauge12
Capacity9 rounds
Chamber3 inch
Barrel Length20 inches
SightsGhost Ring
Choke SystemAccu-Choke (Cylinder Bore installed)
ForendSynthetic M-Lok (Black)
Length of Pull13.87 inches
Barrel FinishMatte Blued
Overall Length41 inches
Weight7.25 lbs

Frequently Asked Questions

Can I mount optics and lights on the M-Lok forend?

Yes. The M-Lok forend is designed to accept tactical accessories. You can attach lights, lasers, foregrips, and other M-Lok-compatible gear without removing the barrel or stock.

What choke tubes can I use?

The shotgun comes with the Accu-Choke system and a cylinder bore choke tube installed. The Accu-Choke system allows you to swap additional compatible choke tubes to adjust your shot pattern for different ammunition and distances.

What's the difference between the 9-round and 8+1 capacity?

The 9-round capacity means the magazine tube holds 8 rounds and one round can be chambered for a total of 9 rounds ready to fire.

Is this shotgun good for home defense?

The 590 Tactical's compact 20-inch barrel, manageable length, fast-handling ergonomics, and ghost ring sights are well-suited for home defense applications where shorter distances and rapid response are priorities. Its proven reliability and the ability to customize with accessories make it a popular choice.

Additional Information

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.