The Benelli M4 Tactical is a semi-automatic shotgun chambered in 12-gauge with an 18.5-inch barrel. At 7.1 lbs it's heavier than some alternatives, but that weight helps absorb recoil during fast follow-up shots. The synthetic stock and phosphate-finished barrel hold up to rough conditions without a lot of maintenance. 
 

Key Specifications 

• Brand: Benelli 
• Model: M4 Tactical 
• Action: Semi-Automatic 
• Gauge: 12 GA 
• Barrel Length: 18.5 inches 
• Capacity: 5 rounds (plus one in the chamber) 
• Weight: 7.1 lbs. 
• Finish: Black synthetic stock and anodized black receiver 
   

Features 

 
The semi-automatic action cycles reliably with standard defensive loads. Ghost ring sights give fast target acquisition without requiring precision sight alignment. The recoil management system handles the felt impulse well enough that rapid fire stays controlled. The phosphate barrel finish resists corrosion, and the synthetic stock won't warp or crack under temperature swings. 
 
The M4 is used by military and law enforcement units, which speaks to how the design holds up under sustained use.

The Benelli M4 Tactical gets consistently positive feedback for reliability. Users note it cycles through a wide variety of loads without issues, which matters for home defense where ammunition selection isn't always consistent.

The semi-automatic action and ghost ring sights make it fast to work in close-quarters situations. Controls are straightforward and the manual of arms is easy to learn. The M4's versatility with different ammunition types comes up often -- buckshot, slugs, and reduced-recoil loads all cycle reliably.

Weight and price are the two common criticisms. At 7.1 lbs it's on the heavier end for a shotgun, and some find it tiring for extended carry. The price is high relative to pump-action alternatives, though most users who buy it consider the quality and reliability worth the cost.