Firearms

Mossberg 590A1 12 ga 20-inch

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Specifications

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Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

Military-spec pump-action with 20-inch heavy-wall barrel, metal trigger guard, and parkerized finish.

Type: Shotgun

Action: Pump-Action

Caliber: 12 Gauge

Capacity: 9

Year introduced: 1987, USA

Weight: 7.25 oz

Overall length: 41.5"

Status: Active

Military use: Yes

Intended use: Military, Tactical, Law Enforcement