Mossberg 940 Pro SPX | 12 Gauge | 18.5in | MFG# 85179

The Mossberg 940 Pro Tactical SPX is an optic-ready 12 gauge autoloading shotgun built around practical, modern features. It ships with a Holosun HS407K micro red dot mounted to an optic-ready receiver and pairs an 18.5-inch barrel with a 3-inch chamber for broad ammunition compatibility. The design includes a cleaner-running gas system, an M-LOK forend with an integrated heat shield, and an adjustable synthetic stock to suit varied shooters and missions. This configuration suits range training and competition shooting where speed, repeatability, and accessory flexibility are priorities.

Product Specifications

• The manufacturer and model are Mossberg 940 Pro Tactical SPX.
• The manufacturer part number is 85179.
• The shotgun is chambered in 12 Gauge.
• The action type is Semi-Auto.
• The barrel measures 18.5 inches.
• The maximum chamber size is 3 inches.
• The capacity is 7+1.
• The unloaded weight is approximately 7.25 pounds.
• The stock is synthetic and adjustable with a length-of-pull range of 12.5–14.25 inches.
• The included optic is a mounted Holosun HS407K micro red dot.
• The forend features M-LOK slots and an integrated heat shield.
• The iron sights are metal ghost ring rear with a fiber-optic front.
• The choke system is an Accu-Choke with a cylinder-bore installed.
• The finish is matte black.
• The UPC is 015813851794.

The 940 Pro Tactical SPX combines a purpose-driven feature set with straightforward ergonomics: an optic-ready receiver and included micro red dot simplify sighting setups, M-LOK compatibility expands accessory options, and the adjustable stock helps tailor fit for faster follow-up shots. For shooters seeking a modern, configurable 12 gauge for range work, training, or practical competition stages, this configuration delivers a balanced mix of durability and modularity.

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