The Mossberg 590 Shockwave in .410 bore is a pump-action firearm with a 14-inch heavy-walled barrel, Raptor grip, and 26.37-inch overall length. Capacity is 5 rounds of 3-inch shells. Weight is 4.24 lbs. Under federal law it classifies as a "firearm" rather than a shotgun due to its barrel and overall length -- verify local laws before purchase. 
 

Key Specifications 

• Brand: Mossberg 
• Model: 590 Shockwave 
• Type: Pump Action Shotgun 
• Action: Pump Action 
• Gauge: .410 Bore 
• Barrel Length: 14 inches (Heavy Walled) 
• Capacity: 5 rounds (3" chamber) 
• Weight: 4.24 lbs. 
• Overall Length: 26.37 inches 
• Stock Material: Synthetic (Black) 
• Grip Type: Raptor Grip 
• Sights: Front Bead 
   

Detailed Features 

1. Compact Design: At just over 26 inches overall, the Shockwave fits in spaces where a full-length shotgun is awkward. That's the primary practical argument for the platform. 
    
2. Pump Action Reliability: The pump action cycles reliably across a range of .410 loads, including slugs, buckshot, and birdshot. 
    
3. Raptor Grip: The bird's head-style Raptor grip is purpose-designed for the Shockwave's configuration. It positions the hand for better control and reduces felt recoil compared to a pistol grip. 
    
4. Heavy-Walled Barrel: The heavy-walled 14-inch barrel holds up to sustained use. 
    
5. Safety Features: Ambidextrous tang safety mounted on the top of the receiver is reachable from either side with the thumb.

The Mossberg 590 Shockwave in .410 generates lively debate, and discussions are more nuanced than for most shotguns.

The compact size is the defining feature that draws people in. Owners who want something short and maneuverable for home defense or truck storage appreciate the dimensions. At 26.37 inches overall it fits in spaces where a standard shotgun doesn't.

The .410 caliber generates real stopping-power debate. Some owners are comfortable with the round for defense at close ranges; others feel the pattern and energy fall short compared to 12-gauge or 20-gauge options. The discussion gets specific about buckshot patterning and effective distance.

Legal classification comes up frequently. The Shockwave's federal "firearm" classification creates state and local compliance questions that buyers need to research before purchase. This isn't a flaw but it's a real consideration.

The Raptor grip draws mixed comments. Some owners find it comfortable and practical; others take time to adapt to the stance and technique required to shoot it accurately.

Aftermarket accessories including Picatinny rail mounts and replacement grip options are popular discussion topics. Many owners modify the platform.

Pricing is generally seen as accessible relative to its niche. The .410 caliber keeps the purchase cost lower than a comparable 12-gauge Shockwave.