The Mossberg 940 Pro Tactical is a semi-automatic 12-gauge shotgun with an 18.5" barrel, 7+1 capacity, and an OD Green Cerakote finish. It weighs 7.25 lbs and measures 37" overall. The adjustable synthetic stock runs from 12.50" to 14.25" length of pull. 
 

Key Specifications 

• Brand: Mossberg 
• Model Name: 940 Pro Tactical 
• Caliber: 12 GA (3") 
• Barrel Length: 18.5" 
• Capacity: 7+1 rounds 
• Overall Length: 37" 
• Weight: 7.25 lbs 
• Action Type: Semi-Auto 
• Sights: Fiber Optic Front 
• Stock Type: Adjustable Synthetic Stock 
• Finish Color Options: OD Green / Black 
• Condition: New in Box 
   

Detailed Features 

The gas-operated action cycles reliably with a range of loads from light target rounds through heavier defensive loads. Length of pull adjusts from 12.50" to 14.25" via spacers, so the fit works for different body sizes and body armor setups. Fiber optic front sight is useful in lower light. The receiver is drilled and tapped for optics mounts, accepting red dots and other sights without adapter plates. The OD Green Cerakote adds corrosion resistance. 
 

Target Audience 

The 7+1 capacity and 18.5" barrel make this a practical home defense or tactical training shotgun. The adjustable stock and optics compatibility suit instructors and competitive shooters who run the gun in different configurations. 
 

Usage Scenarios 

The 37" overall length is short enough for indoor use. At the range, the adjustable stock and consistent gas operation make it straightforward to run drills. Competitors in practical shotgun disciplines benefit from the optics mount and higher capacity.

The 940 Pro Tactical OD Green gets strong marks for reliability from owners who run it in tactical training and competition. The semi-auto gas system is repeatedly noted as smooth and consistent. Ergonomics get positive mentions, particularly the grip feel and the way the controls fall naturally. The OD Green finish and optics compatibility are popular with buyers who want a more tactical-looking platform.

Criticisms include weight (7.25 lbs is heavier than some alternatives), which becomes an issue during extended drills or long-range carry. Price relative to other tactical shotguns surfaces in some discussions, and a small number of owners mention requiring a break-in period before the action reached full reliability. Aftermarket parts compatibility is sometimes flagged as more limited than AR-pattern equivalents.