Mossberg 590 | 12 Gauge | 20in Barrel | M-LOK | 50674

The Mossberg 590 (ATF Model 590, manufacturer part 50674) is a pump-action 12-gauge configured with a 20-inch barrel and an M-LOK forend for accessory mounting. It ships with ghost-ring sights, a black synthetic tactical stock, and an 8+1 magazine capacity. The design emphasizes a rugged, straightforward pump platform suited to tactical training and range use. Operational features reported in the provided data include dual extractors, twin action bars, and an ambidextrous tang safety.

Product Specifications

• The manufacturer and model are Mossberg 590 (50674).
• The gauge is 12 Gauge.
• The action type is Pump Action.
• The barrel measures 20 inches.
• The magazine capacity is 8+1.
• The maximum chamber size accepts 3 inches.
• The sights are Ghost Ring.
• The barrel finish is Matte Blued.
• The stock material and finish are Black synthetic.
• The forend is equipped with M-LOK attachment points.
• The choke system is an Accu-Choke with a cylinder bore tube installed.
• The safety is listed as a Ambidextrous tang safety.
• The shotgun includes a 9-shot clean out tube.
• The length of pull is 13.87 inches.
• The UPC is 015813506748.

Configured for accessory attachment and dependable manual operation, the 590 presents a straightforward platform for shooters who prioritize durability and simple, repeatable mechanics. Its M-LOK forend and ghost-ring sights support practical training setups and range-focused configurations.

Owners commonly praise the model for its reliable operation and solid build quality.

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