The Beretta A400 Xtreme Plus KO in Gore Optifade Timber camo is a 12 GA semi-automatic shotgun with a 28-inch Steelium Plus barrel and a 3.5" chamber. At 7.4 lbs and 51 inches overall, it's a full-size waterfowl gun with the Kick-Off MEGA recoil reduction system built in. 
 

Key Specifications 

• Brand: Beretta 
• Model Name: A400 Xtreme Plus KO 
• Type: Semi-Automatic Shotgun 
• Gauge: 12 GA 
• Chamber Size: 3.5" 
• Barrel Length: 28" 
• Overall Length: 51" 
• Weight: 7.4 lbs 
• Capacity: 2+1 rounds 
• Sights: Fiber optic front sight with steel mid-bead 
• Stock Material: Synthetic with Gore Optifade Timber Camo finish 
• Safety Mechanism: Crossbolt safety system 
   

Detailed Features 

• Kick-Off MEGA System cuts felt recoil on heavy loads, which is where this shotgun earns its reputation. 
• Steelium Plus barrel handles both lead and steel shot; Optima-Choke HP Extended choke tubes (5 included) cover Full through Cylinder. 
• Fixed stock design with integrated Kick-Off mechanism. 
• Fiber optic front sight is visible in low light at dawn or dusk.

The Beretta A400 Xtreme Plus KO in Timber camo gets solid marks from waterfowl hunters who are the natural audience here. The Optifade Timber camo works well in blind and timber environments. The gas system cycles a wide range of loads consistently -- this comes up in nearly every owner review as the foundation of confidence in the gun.

The KO system is the other major talking point. Hunters running 3.5" loads through multiple sessions specifically note the recoil reduction as meaningful, not just marketing.

Price is the consistent caveat at the premium tier. Most long-time owners see it as justified. The gun is recommended broadly for both waterfowl hunting and clay shooting, though some buyers note it's primarily optimized for the field.