The Mossberg 935 Magnum Waterfowl is a semi-automatic 12 GA shotgun with a 28" overbored barrel, synthetic black stock, and steel matte blued receiver. It holds 4+1 rounds in a 3.5" chamber, weighs 7.75 lbs, and measures 49" overall. 
 

Key Specifications 

• Brand: Mossberg 
• Model Name: 935 Magnum Waterfowl 
• Caliber: 12 GA 
• Action Type: Semi-Automatic 
• Capacity: 5 rounds (4+1) 
• Barrel Length: 28 inches 
• Chamber Size: 3.5 inches 
• Weight: 7.75 lbs 
• Overall Length: 49 inches 
• Sights: Fiber Optic Front 
• Stock Material/Finish: Synthetic Black 
• Receiver Material/Finish: Steel Matte Blued 
   

Detailed Features 

The 3.5" chamber handles the heaviest steel and bismuth waterfowl loads, which is the primary reason to choose this model over a standard 935. The overbored barrel reduces felt recoil while producing tight, uniform shot patterns. The dual gas-vent system keeps cycling smooth across a wide range of loads with minimal maintenance. Adjustable stock spacers let you dial in length of pull. The fiber optic front sight acquires quickly in low light. The top tang safety is accessible without shifting the grip. 
 

Usage Scenarios 

• Waterfowl hunting where the 3.5" chamber and heavy shot capacity are the deciding factors. 
• Competitive clay shooting where the semi-auto action and recoil management suit high-volume events.

The Mossberg 935 Magnum is well-regarded among waterfowl hunters, with the 3.5" chambering and reliability in tough conditions as its main selling points.

Owners consistently praise the ability to run heavy magnum loads without cycling issues. The dual gas-vent system and overbored barrel are cited for reducing felt recoil to manageable levels for a 3.5" platform. The versatility of handling both light and heavy loads in the same gun comes up frequently. Most owners find it a dependable field companion.

Weight is the most common complaint. At 7.75 lbs, long carries in the field tire out some shooters. A few owners note the construction feels less refined than higher-priced waterfowl guns, though most consider this an acceptable trade-off at the Mossberg price point.