The Mossberg 940 Pro Waterfowl is a semi-automatic 12 Gauge shotgun with a 28-inch barrel and a 3-inch chamber. It holds 4 rounds and is available in Mossy Oak Bottomlands stock and Patriot Brown Cerakote finishes. The platform is purpose-built for waterfowl use. 
 

Key Specifications 

• Brand: Mossberg 
• Model: 940 Pro Waterfowl 
• Caliber: 12 Gauge 
• Action: Semi Auto 
• Capacity: 4 Rounds 
• Barrel Length: 28" 
• Color/Finish: Mossy Oak Bottomlands / Patriot Brown Cerakote 
   

Detailed Features 

• Semi-automatic gas operation 
• 3-inch chamber 
• 28-inch vented rib barrel 
• Available in Mossy Oak Bottomlands and Patriot Brown Cerakote 
• Designed for waterfowl applications

Owners of the 940 Pro Waterfowl consistently point to its cycling reliability as the standout quality. The gas system handles a wide range of field and steel loads without adjustment, which is a practical requirement for waterfowl work where load selection varies by jurisdiction and quarry.

The Mossy Oak Bottomlands finish draws praise from duck and goose hunters who want concealment in flooded timber and marsh settings. Ergonomics get generally positive marks, though a subset of owners note the trigger is serviceable rather than exceptional compared to higher-end semi-autos in the same price range.

On value, the 940 Pro Waterfowl is often compared favorably to Beretta and Browning semi-auto waterfowl guns. Most owners consider it a fair buy; a minority report minor teething issues in the first few hundred rounds before the action runs freely.