The Mossberg 940 Pro Tactical is a semi-automatic shotgun chambered in 12 gauge with an 18.5-inch barrel and a 3-inch chamber. It has a matte black finish, black synthetic stock, and an optics-ready receiver. Capacity is 4+1 rounds. 
 

Key Specifications 

• Brand: Mossberg 
• Model: 940 Pro Tactical 
• Caliber: 12 Gauge 
• Action: Semi Auto 
• Capacity: 4+1 
• Barrel Length: 18.5 in 
• Color/Finish: Black 
   

Detailed Features 

• 18.5-inch barrel with 3-inch chamber 
• Matte black finish on barrel and receiver 
• Optics-ready receiver cut 
• Black synthetic stock

The 940 Pro Tactical draws strong reviews from defensive and duty-oriented shotgun users who want a gas-operated semi-auto with a short barrel. Owners frequently compare it favorably to other tactical semi-autos, pointing to the gas system as more forgiving of mixed ammunition than inertia-driven competitors.

The optics-ready cut is a feature that gets consistent positive mention, making it easy to mount a red dot without gunsmithing. Some owners note the stock length of pull is on the shorter side and appreciate the adjustable LOP option referenced in certain listings.

A recurring complaint is that the trigger is functional but not refined for a defensive shotgun. Magazine tube capacity at 4+1 is also noted as modest compared to some competitors in the same category, though most owners accept the tradeoff for the 940 platform overall.