Mossberg 940 Pro Thunder Ranch | 12ga | 18.5″ | 7+1 | 85181

The Mossberg 940 Pro Thunder Ranch is a purpose-built semi-automatic 12 Gauge designed for modularity and rapid sight acquisition. It features an 18.5-inch barrel and a 3-inch chamber, an optic-ready receiver with RMSc-pattern cuts, and a Patriot Brown Cerakote finish for corrosion resistance. The stock is an adjustable synthetic unit and the forend includes an integrated heat shield and M-LOK accessory slots for modern accessory integration.

Common uses for this platform include range training and practical/tactical shooting where optics, accessory modularity, and fast follow-up are priorities.

Product Specifications

• The shotgun is chambered for 12 Gauge with a 3-inch chamber.
• The action type is Semi-Auto.
• The barrel measures 18.5 inches.
• The magazine capacity is 7+1 rounds.
• The finish is Patriot Brown Cerakote.
• The receiver is optic-ready (RMSc footprint) and accepts low-profile micro red dot sights.
• The package includes three adapter plates for RMR, Docter and Leupold footprints.
• The forend features an integrated heat shield and multiple M-LOK accessory slots.
• The shotgun ships with an Accu-Choke cylinder bore installed.
• The stock is a synthetic adjustable length-of-pull design with QD ports.
• The sights are a fiber optic front bead.
• The length of pull adjusts between 12.5 and 14.25 inches.
• The overall length is listed as 37 inches.
• The model is 940 Pro Thunder Ranch.
• The UPC is 015813851817.

With an optic-ready receiver, modular M-LOK forend and an adjustable stock, the 940 Pro Thunder Ranch is configured for shooters who prioritize accessory flexibility and quick target acquisition. Its combination of autoloading operation and a short barrel package makes it well-suited for high-volume range work and practical shooting drills where reload speed and optic use are common.

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