Description
Ask a group of serious waterfowl hunters what they carry and the A400 Xtreme Plus comes up every single time. There is a reason for that. This 12 gauge runs 2.75, 3, and 3.5 inch shells interchangeably with no adjustments, and the gas system with its self-cleaning piston keeps cycling through cold, mud, and marsh grime when lesser autoloaders start hiccuping. This version wears Mossy Oak Original Shadow Grass from stock to muzzle, a pattern built to disappear into cattails and flooded timber.
Kick-Off Recoil Reduction That Earns Its Keep
A full day of 3.5 inch magnums will beat you up in most guns. The A400 Xtreme Plus fights back with Beretta's Kick-Off system paired with a soft comb stock, and the combined setup trims felt recoil dramatically compared to a standard gas gun. Your cheek and shoulder notice the difference by the second box of shells, and follow-up shots come back on target quicker because the gun is not jumping around on you.
Steelium Plus Barrel and Real-World Handling
The 28 inch Steelium Plus barrel uses an extended forcing cone that helps produce tight, even patterns with steel and other hunting loads while shaving off a bit more recoil. Up top you get a stepped vent rib with a steel mid-bead and fiber optic front, giving you a clean sight picture whether it is bluebird skies or gray drizzle. Beretta also borrowed from its competition guns here, fitting an oversized charging handle, enlarged bolt release, and a beveled loading port so everything works with numb fingers or heavy gloves.
Why the A400 Xtreme Plus Is Worth It
The receiver comes drilled and tapped if you ever want to add a rail, the crossbolt safety sits right at the front of the trigger guard where your finger finds it naturally, and takedown for cleaning happens in seconds without tools. Add five extended choke tubes in the box and you are covered from decoying ducks over the spread to late-season geese at the edge of range. This is a buy-once gun that will still be running strong decades from now.
Key Specifications
- Model: A400 Xtreme Plus
- Manufacturer Part Number: J42XW18
- UPC: 082442027722
- Gauge: 12 Gauge
- Chamber: 3.5" (accepts 2.75", 3", and 3.5" shells)
- Action: Gas-Operated Semi-Auto
- Barrel Length: 28" Steelium Plus, Vent Rib
- Capacity: 2 + 1
- Finish: Mossy Oak Original Shadow Grass
- Stock: Synthetic with Kick-Off Recoil Reduction
- Sights: Fiber Optic Front with Steel Mid-Bead
- Safety: Reversible Crossbolt
- Choke System: Optima-Choke HP, 5 Extended Tubes Included
- Hand: Right Hand
What’s Included
- Beretta A400 Xtreme Plus shotgun
- 5 extended choke tubes (F, IM, M, IC, C)
- Hard case
- Stock shim kit
- Owner's manual
Frequently Asked Questions
Can the A400 Xtreme Plus cycle light target loads or does it need heavy shells?
The A400 gas system is known for cycling a wide range of loads reliably, and it handles 2.75, 3, and 3.5 inch shells without any adjustment. Most owners find it runs standard field and target loads fine once broken in. It is one of the more versatile autoloaders in that regard.
How much does the Kick-Off system on the Beretta A400 Xtreme Plus reduce recoil?
Beretta's combination of the Kick-Off hydraulic dampers, soft comb stock, and the gas action reduces felt recoil by up to around 70 percent compared to a fixed-breech gun. In practical terms, 3.5 inch magnum waterfowl loads feel closer to shooting standard 3 inch shells. It makes a real difference over a high-volume hunt.
What choke tubes come with this shotgun?
This model ships with five extended Optima-Choke HP tubes: Full, Improved Modified, Modified, Improved Cylinder, and Cylinder. That range covers everything from close decoying birds to longer passing shots. The extended design also makes swapping chokes in the field quick and easy.
Can I mount an optic on the A400 Xtreme Plus?
Yes, the receiver comes drilled and tapped for a Picatinny rail, though the rail itself is not included. Most hunters run it with the factory fiber optic front bead and steel mid-bead, which give a crisp sight picture in low light. Adding a rail is a simple option if you want a red dot for turkey or predator work.




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