Mossberg 590A1

Mossberg 590A1 — documented specs: caliber 12/76, barrel length 356–508 mm (14.02–20 in), overall length 857–1,041 mm (33.74–40.98 in), capacity 5–8. The source for each figure is listed below the specs (catalog as of 10/16/2026).

Category: Pump-action shotguns
Classification (DE): Long firearm
Era: 1946–1990
Origin: United States
Calibers: 12/76

Derived from design and catalog dimensions under the German WaffG, Annex 1 Sec. 1 Subsec. 1 No. 2.5; the individual gun is what counts.

Also known as: Model 590A1 · Mossberg 590A1 · 590 A1

Specifications

Action: Pump action
Barrel length: 356–508 mm (14.02–20 in)Depending on variant · varies by model
Overall length: 857–1,041 mm (33.74–40.98 in)Depending on variant · varies by model
Capacity: 5–8Depending on variant · tubular magazine · excluding the chambered round · varies by barrel length

mossberg.com — product page 590A1 Optic-Ready - Threaded (#50799)
mossberg.com — page 590A1™ — Shotguns
web.archive.org — product page mossberg.com/product/590a1-class-iii-pump-action-6-shot-51689/ (version of 08/08/2020)
web.archive.org — product page mossberg.com/product/590a1-6-shot-51410/ (version of 05/22/2015)
web.archive.org — product page mossberg.com/product/590a1-9-shot-51663/ (version of 05/22/2015)
web.archive.org — product page mossberg.com/product/590a1-9-shot-51670/ (version of 05/22/2015)

Sources

en.wikipedia.org — article Mossberg 500 (version of 08/12/2026)

Specifications come from the source cited alongside them; counts are based on our catalog as of the date stated. Not legal advice: what follows from these figures in a given country is decided by that country’s law. Waffenschrank is not affiliated with the manufacturers named.

Other models in 12/76

Models from other manufacturers in the same caliber, drawn from the catalog in no particular order — not a recommendation and not a comparison of specs.

Catalog as of 10/16/2026

Mossberg 590A1

Specifications

Sources

Other models in 12/76

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