Description
We stock the Mossberg 590A1 as a 12 gauge pump-action shotgun built around an 18.5 inch heavy-walled barrel. This configuration uses a black synthetic stock, a bead front sight, and an M-LOK (Modular Lock accessory mounting) forend. Its 3 inch chamber and cylinder bore are suited to a broad range of shotgun applications.
Key Specifications
- The shotgun uses a pump-action operating system with a familiar manual of arms.
- It is chambered for 12 gauge shotshells.
- The barrel measures 18.5 inches and uses a heavy-walled construction.
- The chamber accepts shells up to 3 inches.
- A cylinder bore provides the listed bore configuration.
- The metal surfaces are finished in Parkerized treatment.
- The shotgun weighs 7 pounds as listed in the product data.
- The stock is made from black synthetic material for straightforward field maintenance.
- The forend uses M-LOK accessory mounting and includes the listed clean-out tube feature.
- A bead front sight provides the listed aiming reference.
The heavy-walled barrel, metal trigger guard, and metal safety give this shotgun a construction-focused specification sheet. The top-tang safety is ambidextrous, while the listed configuration is right-handed. We would point this model toward shooters who want a traditional pump shotgun with a synthetic stock and an accessory-ready forend. Its design keeps the controls and core features straightforward, leaving the Mossberg 590A1 as the central focus.




