MOSSBERG 590 - 20 GA - 3" - 20" - 8+1 - BLACK

Mossberg
MPN:
50699
UPC:
015813506991
$536.69 - $607.69
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The Mossberg 590 in 20 gauge is a battle-tested pump-action shotgun engineered for reliable home defense and tactical applications, backed by decades of proven military and law enforcement service.

  • 20-gauge, 3" chamber handles a wide range of defensive and field loads
  • 20" barrel with 8+1 capacity delivers serious firepower in a manageable package
  • Dual extractors and twin action bars ensure smooth, jam-resistant cycling
  • Positive steel-to-steel lockup and anti-jam elevator provide dependable feed reliability
  • Ambidextrous top-mounted tang safety for fast, intuitive operation by any shooter
  • Tri-railed forend accepts tactical lights, lasers, and other mission-critical accessories

Who This Is For

The Mossberg 590 20-gauge is an excellent choice for home defenders seeking a lighter-recoiling alternative to 12 gauge without sacrificing stopping power, as well as hunters, younger shooters, and anyone who wants a proven tactical platform with broad accessory compatibility. Its durable synthetic stock and military-grade construction make it equally at home in a safe or by the door when it matters most.

Mossberg 590 20 Gauge Pump-Action Shotgun – Left Side Profile Mossberg 590 20 Gauge – Receiver and Action Detail

Specifications

BrandMossberg
Model590
ActionPump Action
Gauge20 Gauge
Chamber3"
Barrel Length20"
Capacity8+1
StockSynthetic Black
SafetyTop-Mounted Tang (Ambidextrous)
ForendTri-Rail Tactical
FinishMatte Black
Action BarsTwin Steel

Frequently Asked Questions

How does the 20-gauge Mossberg 590 compare to the 12-gauge version for home defense?

The 20-gauge 590 offers noticeably reduced recoil compared to its 12-gauge counterpart, making it faster to get back on target and more comfortable for smaller-framed shooters or those sensitive to recoil. At typical home-defense distances, 20-gauge buckshot loads remain highly effective, and the 8+1 capacity means you won't be short on rounds. If you find 12-gauge recoil excessive or want a shotgun that's easier to train newer family members on, the 20-gauge 590 is an outstanding choice.

What accessories are compatible with the Mossberg 590's tri-rail forend?

The tri-rail forend on the Mossberg 590 accepts standard Picatinny rail accessories, giving you the flexibility to mount tactical flashlights, weapon-mounted lasers, and forward grips from popular manufacturers like SureFire, Streamlight, and Crimson Trace. This makes the 590 easy to configure for low-light home defense scenarios without permanent modifications to the firearm.

What types of 20-gauge ammunition work best in the Mossberg 590 for defensive use?

The Mossberg 590's 3" chamber gives you the flexibility to run both 2¾" and 3" shells, covering a wide range of defensive loads. For home defense, #3 or #4 buckshot in 20 gauge offers an excellent balance of pattern density and penetration at indoor distances. Federal, Hornady, and Winchester all produce purpose-built 20-gauge defensive loads that function reliably in the 590's action. Always pattern-test your chosen load at realistic distances to confirm reliable cycling and appropriate spread before relying on it for defense.

Caliber:
12 GA
Color:
Black
Barrel Length:
20"
Chamber:
3"
Sights:
Ghost Ring
Capacity:
8+1
Stock:
Fixed
Action:
Pump
Type of Barrel:
Cylinder