The Mossberg 590A1 is a pump-action 12 gauge designed for duty and defensive roles, featuring a heavy-walled 20-inch barrel and a parkerized metal finish. Its black synthetic stock and fixed field configuration provide a durable, weather-resistant platform for domestic security and duty applications. Construction emphasizes reliability and longevity in demanding use environments.
Key Specifications
- The action is a pump action design for straightforward operation and proven reliability.
- The shotgun chamber accepts 3-inch shells to accommodate a range of 12 gauge loads.
- The barrel measures 20 inches and is specified as a heavy-walled barrel for added durability.
- The metal surfaces feature a parkerized finish for corrosion resistance in field conditions.
- The stock is a black synthetic fixed field-style configuration for rugged service use.
- Sighting is provided by a bead front for rapid target acquisition at close ranges.
- The overall length is 41 inches and the weight is approximately 7.25 lbs for balanced handling.
- The firearm uses a fixed tubular magazine (tubular magazine), not a detachable box magazine.
- The design meets MIL-SPEC 3443G standards referenced in manufacturer material for heavy-duty components.
Built as a hard-use pump shotgun, the 590A1 emphasizes rugged components and a service-oriented feature set for users who need a straightforward, dependable platform. The combination of a heavy-walled barrel, parkerized finish, and synthetic furniture makes it suitable for rough handling and varied environmental conditions. Its configuration focuses on durability and consistent operation rather than modular accessories.
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