The Mossberg 590 Tactical is a pump-action shotgun built for personal protection and tactical use. Its 20 GA chambering keeps recoil manageable, and the 18.5-inch barrel keeps overall length down without sacrificing much velocity. 
 

Key Specifications: 

• Manufacturer: Mossberg 
• Model: 590 Tactical 
• Gauge: 20 GA 
• Action Type: Pump Action 
• Capacity: 6+1 rounds 
• Barrel Length: 18.5 inches 
• Weight: 7 lbs. 
• Finish: Matte Black 
   

Detailed Features: 

The pump action cycles reliably across a wide range of loads, and dual extractors with an anti-jam elevator reduce the chance of a failure to extract. The ambidextrous top-tang safety is thumb-accessible from either side. The tactical tri-rail forend accepts lights, lasers, and other accessories without permanent modification. 
 
The 590 Tactical ships in matte black with a synthetic stock. At 7 lbs. empty it is heavier than some youth-oriented 20-gauge options, but the added mass helps absorb recoil during extended range sessions.

Owners of the Mossberg 590 Tactical 20GA generally appreciate its reliability and the lighter recoil compared to 12-gauge versions. The pump action is consistently described as smooth and easy to operate, which appeals to both new and experienced shooters.

The 20-gauge chambering comes up frequently: many find it a good compromise between recoil management and stopping power, though shooters coming from 12-gauge often note the reduced payload. Ammunition availability for 20 GA is sometimes flagged as a minor inconvenience compared to the more common 12 GA.

The 6+1 capacity draws mixed reactions -- adequate for most home-defense scenarios according to most owners, but some would prefer the higher capacity available in competing platforms. A few buyers mention that the stock fit could be more adjustable for different body types. Recoil with full-power loads is considered noticeable given the lighter gauge frame, though still manageable for the majority of users.