The Beretta A400 Xtreme Plus is a 12 GA semi-automatic shotgun with a 26-inch barrel, 3.5-inch chamber, and Realtree Max-5 camo finish. The KickOff Mega recoil reduction system and Blink gas-operated action are the two defining features -- the gas system cycles rounds faster than most competitive designs, and the KickOff system takes a meaningful amount of felt recoil out of 3.5-inch loads. 
 

Key Specifications 

• Model: A400 Xtreme Plus 
• Manufacturer: Beretta 
• UPC: 082442893778 
• Gauge: 12 GA 
• Action: Semi-Automatic 
• Capacity: 3 Rounds (2+1) 
• Barrel Length: 26 inches 
• Overall Length: 49 inches 
• Weight: 7.4 lbs (16.3 lbs total with accessories) 
• Chamber Size: 3.5 inches 
• Choke Configuration: OBF-HOPB 
• Finish: Realtree Max-5 Camo 
   

Detailed Features 

The Blink gas system cycles at a rate Beretta claims is faster than competitors, which translates to tighter split times between shots on fast-moving targets. The 3.5-inch chamber handles the heaviest steel shot loads used for geese without modification. KickOff Mega adds a hydraulic buffer in the stock that reduces recoil impulse noticeably on high-base and 3.5-inch loads -- relevant when shooting volume is high. 
 
Realtree Max-5 camo is designed for open-water and flooded-timber waterfowl environments. The adjustable stock and ergonomic design let shooters dial in length of pull for different clothing layers and body types. At 7.4 lbs the shotgun is manageable for all-day carry.

The A400 Xtreme Plus is well-regarded in waterfowl circles, and the KickOff recoil system draws the most specific praise. Owners who run high volumes of 3.5-inch steel loads report a real difference in end-of-day fatigue compared to shotguns without a dedicated recoil reduction system. Cycling reliability across shell lengths and temperatures -- including cold, wet conditions -- is cited frequently as a strength.

The Max-5 camo pattern gets practical endorsements from waterfowl hunters working in flooded timber and open marsh. Stock adjustability is appreciated, particularly for hunters who layer up in cold weather.

Maintenance is the main criticism. Several owners note the gas system requires more frequent and thorough cleaning than standard gas designs, especially when running steel loads over several consecutive hunting days. Price is acknowledged as premium -- the A400 Xtreme Plus sits at the higher end of the semi-auto shotgun market, and buyers typically compare it to Browning Maxus and Benelli SBE3 before deciding.