[ < Back to platforms ]
SHOTGUNMid-Range

Mossberg

Mossberg 590A1

Mil-spec pump-action shotgun with heavy-wall barrel, metal trigger guard, and Ghost Ring sights. Proven under MIL-SPEC 3443E testing.

No image available
Build with This Platform

Key Highlights

  • •MIL-SPEC 3443E tested heavy-wall barrel
  • •Metal trigger guard and safety for hard-use durability
  • •8+1 capacity with reliable pump-action cycling

Specifications

Price
$600
Weight
7 lb 4 oz
Calibers
12 Gauge
Rail Type
picatinny
Best For
home defenseduty patrol

Capability Profile

0-10 Scale Across 8 Axes

Compatibility Tags

family: shotgunshotgun: pump-actioncaliber: 12-gaugeinterface: picatinny-topmag-type: 12ga-shell-cardbarrel: compactmuzzle: choke

Overview

The Mossberg 590A1 is the only pump-action shotgun to pass MIL-SPEC 3443E testing, earning military contracts for its durability and reliability. Its heavy-wall barrel, metal trigger guard, and metal safety button distinguish it from commercial Mossberg 500 models. The 590A1 has served in military and law enforcement roles for decades, establishing a track record that few pump-action shotguns can match.

Key Features

  • ✓Heavy-wall 20-inch barrel (MIL-SPEC 3443E rated)
  • ✓Metal trigger guard and tang safety
  • ✓Ghost Ring sights with adjustable rear
  • ✓Factory Picatinny top rail for optic mounting
  • ✓8+1 shell capacity
  • ✓Ambidextrous tang safety

Pros

  • +Only pump shotgun to pass MIL-SPEC 3443E military testing
  • +Heavy-wall barrel and metal components built for hard use
  • +8+1 capacity provides more rounds than most pump shotguns

Cons

  • −Heavier than commercial Mossberg 500 models
  • −Pump-action requires more training than semi-auto for fast follow-ups

Detailed Specifications

caliber
12 Gauge
Barrel Length
20 inches
Overall Length
40.75 inches
weight
7.25 lbs
Stock
Synthetic tactical stock
Trigger
Single-stage shotgun trigger
msrp
$600
capacity
8+1
actionType
Pump-action

Compatible Components

+110 more

Vortex

Vortex Viper PST Gen II 5-25x50

Primary Arms

Primary Arms SLx 1-6x24 Gen IV

Vortex

Vortex Razor HD Gen II 1-6x24

Trijicon

Trijicon ACOG TA31

Primary Arms

Primary Arms PLxC 1-8x24 FFP

Vortex

Vortex Razor HD Gen III 1-10x24

Recommended Optics

View all optics →

Sig Sauer

Sig Sauer Romeo4T Pro

1 shared compatibility tags

$579★ Best match

EOTech

EOTech XPS2

1 shared compatibility tags

$629★ Best match

Holosun

Holosun 509T

1 shared compatibility tags

$429★ Best match

Aimpoint

Aimpoint Duty RDS

1 shared compatibility tags

$499★ Best match

Recommended Lights

View all lights →

Cloud Defensive

Cloud Defensive REIN 3.0

2 shared compatibility tags

$325★ Best match

Modlite

Modlite PLHv2

2 shared compatibility tags

$339Great match

SureFire

SureFire M640V Pro

2 shared compatibility tags

$459Great match

SureFire

SureFire M640DFT-PRO Turbo Scout Light Pro

1 shared compatibility tags

$379Great match

Similar Platforms

Mossberg

Mossberg 940 Pro Tactical

$1,129

SIG Sauer

SIG P320 Full Size

$599

SIG Sauer

SIG P320 Compact

$599

SIG Sauer

SIG P365

$599

Related Guides & Articles

Guides

Best Home Defense Shotgun 2026: Top 5 Tactical Shotguns Ranked (Benelli, Beretta, Mossberg)

gear•11 min read
Browse all guides →Browse all articles →

Configure This Platform

Add optics, lights, and accessories to build your perfect Mossberg 590A1.

Start Building