Description
The Beretta A400 Xtreme Plus Bottomland is a 12 gauge semi-automatic shotgun built for hunters who spend the season standing in water. Every external surface wears Mossy Oak Original Bottomland, the muted bark-and-mud pattern that has hidden waterfowlers in flooded timber for three decades, and the 26-inch Steelium Plus barrel keeps the gun quick enough to swing on birds that commit late.
Chambered for 3.5-inch magnum shells and equally happy with 2.75-inch target loads, the Beretta A400 Xtreme Plus Bottomland carries part number J42XL16 and holds 2+1 rounds. It is a right-hand gun with a vented rib, Kick-Off recoil reduction built into the buttstock, and the Blink gas system driving the action.
Why the Beretta A400 Xtreme Plus Bottomland works in flooded timber
- The Beretta A400 Xtreme Plus Bottomland wears its Mossy Oak Original Bottomland finish across the receiver, barrel, stock and forend
- 26-inch Steelium Plus barrel with a long forcing cone and a vented rib
- 3.5-inch chamber cycles light 2.75-inch loads through heavy magnum waterfowl shells
- Kick-Off hydraulic dampers in the buttstock absorb the recoil that 3.5-inch shells generate
- Blink gas operating system for fast, reliable cycling in cold and wet conditions
- Oversized bolt handle, bolt release and safety that stay usable with gloves on

What the 26-inch barrel changes on the Beretta A400 Xtreme Plus Bottomland
- Faster to mount and swing inside a cramped blind or a layout boat than a 28-inch gun
- A shorter sight radius trades a little pointing stability for quicker reaction on close flushes
- Balance sits slightly rearward, which suits shooters who like the weight between their hands
- Still long enough to pattern well with steel and bismuth loads through an extended choke
- Easier to carry on a long walk into a timber hole or across a picked field
Specifications
- Manufacturer: Beretta USA
- Part number: J42XL16
- Gauge: 12
- Chamber: 3.5 inch
- Barrel length: 26 inches
- Barrel: Steelium Plus with vented rib
- Capacity: 2+1
- Stock: Mossy Oak Original Bottomland synthetic with Kick-Off
- Finish: Mossy Oak Original Bottomland, overall coverage
- Action: Blink gas-operated semi-automatic
- Hand: Right
- UPC: 082442027500
Choosing shells and chokes
On the Beretta A400 Xtreme Plus Bottomland a 3.5-inch chamber is a ceiling, not an obligation. Most hunters shoot 3-inch steel for ducks and save the longest shells for geese or late-season birds at distance, and this gun cycles both without adjustment. Shotshell dimensions and pressure limits are published by SAAMI, and staying inside those figures is the simplest way to keep a gas gun running for decades.
For non-toxic loads, the Apex Waterfowl TSS Blend hits far harder than its pellet count suggests, while B&P Dual Bismuth is gentler on older chokes and a good match for decoying birds inside 35 yards.
Care and cold-weather reliability
Gas-operated shotguns earn their reputation in the last hour of a cold morning, and the A400 family is designed around that moment. The self-cleaning piston pushes fouling forward instead of packing it into the gas cylinder, so a gun that has swallowed three boxes of steel still cycles. Beretta’s Aqua Technology surface treatment resists salt spray and standing water better than a conventional finish, which matters on coastal hunts and in brackish marsh.
The practical routine for a Beretta A400 Xtreme Plus Bottomland is short. Wipe the exterior dry before the gun goes back in the case, pull the bolt and run a patch through the bore, and give the piston and gas cylinder a wipe every few hundred rounds. Store the choke tube installed and lightly greased so the threads do not seize.
Why this shotgun earns its place
- Full-coverage camouflage means no bluing to rust and no gloss to flare in low sun
- Gas operation plus Kick-Off makes a full day of 3.5-inch loads through the Beretta A400 Xtreme Plus Bottomland genuinely comfortable
- Beretta’s Steelium Plus bore geometry is the same one used on the company’s competition guns
- The 26-inch configuration is the one most hunters reach for when the shooting is close and fast
- Parts, chokes and service support are widely available across the United States
The Beretta A400 Xtreme Plus Bottomland suits the hunter who wants one shotgun for ducks, geese and the occasional turkey, and who would rather carry a 26-inch barrel than a 28. If you prefer the longer barrel or a different camouflage, the A400 Xtreme Plus in 28 inches and the 26-inch Optifade Marsh version are both in stock, and the walnut-stocked A400 Upland covers the same action in a field gun.
All firearm purchases ship to a licensed dealer and require a completed background check. Contact MAG5 Firearms if you need help arranging the transfer.






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