Beretta A400 Xtreme Unico KO 12 Gauge Shotgun

$142,212.00

A rugged, gas-operated semi-auto shotgun built for extreme conditions. Handles 2 3/4″ to 3 1/2″ shells reliably, features a recoil-reducing Kick-Off system and corrosion-resistant green receiver for waterfowl and turkey hunters.

Description

When you’re facing the last hour of light in a Missouri bottomland, with geese working the decoys and a cold front pushing in, you need a shotgun that cycles anything you feed it, swings smooth, and goes bang when your fingers are numb. That’s the mission of the Beretta A400 Xtreme Unico KO 12 Ga 30 Barrel 3.5 Chamber Green Receiver Black Synthetic Stock Blued. It’s a gas-operated semi-auto shotgun built for punishing conditions, from waterfowl marshes to turkey woods, featuring a corrosion-resistant green anodized receiver, a Kick-Off recoil reduction system, and a 3.5″ chamber to handle the heaviest loads. At $1422.12, it delivers Beretta’s legendary reliability in a package designed for the hunter who doesn’t get to pick the weather.

Here’s the thing—a shotgun that can’t handle 3.5″ magnums, steel shot, and rapid follow-ups is just a liability when the birds are flaring. The A400 Xtreme Unico KO solves that. Its self-cleaning gas system, branded the ‘Blink’ operating system, cycles low-brass target loads up to the heaviest magnum waterfowl rounds without adjustment. That versatility is critical. The integrated Kick-Off hydraulic damper in the stock soaks up a claimed 70% of felt recoil, which means you stay on target for that crucial second shot. The 30″ vent-rib barrel provides a long, stable sight plane for consistent swing, and its Mobilchoke system (chokes included) lets you pattern for everything from doves to ducks. This system is drop-in ready, compatible with standard Beretta Mobilchoke tubes, so you can use your existing set or aftermarket options from brands like Carlson’s or Patternmaster.

Durability isn’t an afterthought. The green anodized aluminum receiver shrugs off moisture and abuse, while the synthetic stock and fore-end are textured for a secure grip in rain, sleet, or with gloved hands. The loading port is beveled for faster reloads when every second counts. Weighing in at approximately 7.3 pounds, it balances forward of the receiver for a smooth, steady swing that helps maintain momentum through the shot. The 3.5″ chamber is the key spec for waterfowlers, allowing you to use the full spectrum of modern non-toxic shotshells for reaching high-flying birds. This firearm is available at firearms-missouri.com for Missouri residents and nationwide.

Product Specifications
Specification Detail
Gauge 12 Gauge
Chamber 3.5″
Barrel Length 30″
Overall Length Approx. 50.5″
Weight Approx. 7.3 lbs
Receiver Finish Green Anodized
Stock/Fore-end Black Synthetic

Pros: Exceptional reliability across all shell lengths thanks to the Blink system. Significant recoil reduction makes shooting magnum loads manageable. Corrosion-resistant finish stands up to harsh environments. Versatile 30″ barrel is ideal for waterfowl and turkey.

Cons: The longer barrel can be cumbersome in tight blinds or thick timber. The Kick-Off system adds slight weight to the stock. Premium performance comes with a premium price point compared to basic autoloaders.

This shotgun is for the serious waterfowler or turkey hunter who demands one tool for all conditions. It’s for the shooter who values fast, reliable cycling and reduced recoil over a long day in the field. If your season involves predawn setups in muck, freezing rain, and the need for consistent performance with heavy loads, this is your workhorse. It’s not a delicate showpiece; it’s a field-grade implement built to perform.

Frequently Asked Questions

Q: Does it really cycle light target loads reliably?

A: Yes. The self-regulating gas piston is designed to handle 2 3/4″ target loads (down to 24-gram) up to 3 1/2″ magnums without any manual adjustments to the system.

Q: What chokes are included?

A: It typically comes equipped with a set of Beretta Mobilchoke tubes (often IC, M, F). The system uses standard Mobilchokes, giving you a wide range of aftermarket options for specialized patterning.

Q: Is the Kick-Off system worth it?

A: For shooters who regularly fire dozens of high-velocity magnum shells in a sitting, the reduction in felt recoil is substantial and can reduce fatigue, improve shot recovery, and make practice more enjoyable. FFL transfer required for firearm purchases.

If a shotgun that matches the toughness of your hunting season makes sense for your gear locker, view the full details on our product page.

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