Mossberg · Pump Shotgun

Mossberg 590A1 12ga 20-inch Military

The Mossberg 590A1 is the military-specification version of the Model 590, the only pump shotgun to pass the U.S. military MIL-SPEC 3443E test. The 20-inch barrel, thick-walled receiver, and bayonet lug make it the most battle-proven pump shotgun in the modern era.

📄Manual (model family)🔧Schematic — not on file
Type
Pump Shotgun
Action
Pump-Action
Caliber
12 Gauge
Capacity
9
Introduced
1987
Origin
USA
Status
Active
Platform
Mossberg 590

Chamberings

Specifications

Weight (unloaded)
7.25 oz
Overall length
41"
Barrel options
20-inch
Era
Modern
Military use
Yes
Law enforcement
Yes
Intended use
Military Use, Law Enforcement, Home Defense

Documents

FAQs

How much does the Mossberg 590A1 12ga 20-inch Military weigh?
The Mossberg 590A1 12ga 20-inch Military weighs 7.25 oz (0.5 lb) unloaded.
What caliber is the Mossberg 590A1 12ga 20-inch Military?
The Mossberg 590A1 12ga 20-inch Military is chambered in 12 Gauge.
When was the Mossberg 590A1 12ga 20-inch Military introduced?
The Mossberg 590A1 12ga 20-inch Military was introduced in 1987 in USA and is still in production.
What is the capacity of the Mossberg 590A1 12ga 20-inch Military?
The Mossberg 590A1 12ga 20-inch Military has a capacity of 9.

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