Description
The Beretta A400 Xtreme Plus OD Green 26in is the version of Beretta’s waterfowl autoloader that is not trying to disappear. Instead of a printed camouflage it wears OD Green Cerakote over the barrel, receiver and stock, and the aluminium receiver is drilled and tapped from the factory for an optic. With a 26-inch barrel and the upgraded Kick-Off Mega system, it reads more like a turkey and all-round gun than a pure duck gun.
Built around a 3.5-inch chamber and a 2+1 magazine, the Beretta A400 Xtreme Plus OD Green 26in carries Beretta part number J42XG16 and is a right gun with a vented rib and Kick-Off recoil reduction in the buttstock. The Blink gas system drives the action, and it cycles light target loads as readily as heavy magnums.
Where the Beretta A400 Xtreme Plus OD Green 26in belongs
- OD Green Cerakote across every external surface, including the barrel and vented rib
- 26-inch Steelium Plus barrel with an extended forcing cone for softer, more even patterns
- 3.5-inch chamber, with no adjustment needed to run lighter shells
- Kick-Off hydraulic dampers in the stock, which take the sting out of a long morning
- Blink gas operating system, built to keep cycling when the temperature drops
- Enlarged bolt handle, bolt release and safety that a gloved hand can still find

What the drilled and tapped receiver opens up
- A red dot or low-power optic mounts directly, with no rail clamp or gunsmithing
- Turkey hunters get a repeatable point of aim with tight chokes at 40 yards and beyond
- Slug and buckshot work becomes practical for deer where shotguns are required
- The optic sits low over the bore because the base is machined into the receiver
- Nothing stops you running it with the bead alone for waterfowl
Specifications
- Manufacturer: Beretta USA
- Part number: J42XG16
- Gauge: 12
- Chamber: 3.5 inch
- Barrel length: 26 inches
- Barrel: Steelium Plus with vented rib
- Capacity: 2+1
- Stock: OD Green synthetic with Kick-Off Mega
- Finish: OD Green Cerakote, barrel and receiver
- Action: Blink gas-operated semi-automatic
- Hand: Right
- UPC: 082442954035
- Receiver: Drilled and tapped aluminium
Loads, chokes and the 3.5-inch question
On the Beretta A400 Xtreme Plus OD Green 26in the 3.5-inch chamber is headroom rather than an obligation. Most hunting is done with 3-inch shells, and the longest loads earn their place on late-season birds at distance. Shotshell dimensions and pressure ceilings are published by SAAMI, and staying inside them is the cheapest insurance a gas gun can have.
For non-toxic shot, Apex Waterfowl TSS Blend carries more energy downrange than its pellet count suggests, while B&P Dual Bismuth is kinder to older chokes and suits decoying birds inside 35 yards.
Keeping it running in the cold
A gas gun proves itself in the last hour of a freezing morning. The self-cleaning piston on the Beretta A400 Xtreme Plus OD Green 26in pushes fouling forward instead of packing the gas cylinder, so the gun still cycles after three boxes of steel. Beretta’s Aqua Technology surface treatment stands up to salt spray and standing water better than a conventional finish, which matters on coastal hunts and in brackish marsh.
Maintenance is short. Wipe the exterior dry before the gun goes back in the case, run a patch through the bore, and clean the piston and gas cylinder every few hundred rounds. Leave the choke tube installed and lightly greased so the threads never seize.
Why this shotgun earns its place
- Cerakote is a harder, more abrasion-resistant finish than a printed camouflage film
- Kick-Off Mega is the upgraded damper system, not the standard Kick-Off
- A factory drilled and tapped receiver is unusual on a waterfowl autoloader
- OD Green is quiet in the field without committing the gun to one habitat
- The Beretta A400 Xtreme Plus OD Green 26in keeps the Blink gas system and Steelium Plus bore of the camouflage models
The Beretta A400 Xtreme Plus OD Green 26in suits a hunter who wants one gun for ducks, turkeys and the occasional slug season, and who would rather mount an optic than buy a second shotgun. If you want the longer barrel, the 28-inch OD Green is the same gun; for pure waterfowl the 26-inch Bottomland and 26-inch Shadow Grass hide better.
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