Mossberg · Shotgun

Mossberg 590A1 12 Gauge 9-Shot 20"

The military-spec 590A1 with a 20-inch heavy-walled barrel and 9-round capacity is the gold standard pump combat shotgun. It passed U.S. military MIL-SPEC 3443E testing — the most rigorous pump shotgun torture test ever conducted — and is the only pump shotgun to pass. Features metal trigger group, metal safety, and ghost ring sights.

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

Chamberings

Specifications

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

Documents

FAQs

How much does the Mossberg 590A1 12 Gauge 9-Shot 20" weigh?
The Mossberg 590A1 12 Gauge 9-Shot 20" weighs 112 oz (7.0 lb) unloaded.
What caliber is the Mossberg 590A1 12 Gauge 9-Shot 20"?
The Mossberg 590A1 12 Gauge 9-Shot 20" is chambered in 12 Gauge.
When was the Mossberg 590A1 12 Gauge 9-Shot 20" introduced?
The Mossberg 590A1 12 Gauge 9-Shot 20" was introduced in 1987 in USA and is still in production.
What is the capacity of the Mossberg 590A1 12 Gauge 9-Shot 20"?
The Mossberg 590A1 12 Gauge 9-Shot 20" has a capacity of 9.

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