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Beretta A400 Xtreme Plus 12 Gauge 28 in Mossy Oak RH

SKULIP|BEJ42XW18 Conditionnew CategorySemi Auto Shotguns
4.3 ★★★★ Based on 12 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2149.00
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About this product

The Beretta A400 Xtreme Plus is a right-handed semi-automatic 12 gauge shotgun built for high-volume waterfowl hunting with a 28-inch Steelium Plus barrel, Kick-Off MEGA recoil reduction, and Mossy Oak Original Shadowgrass camo finish. It handles 3.5-inch shells and cycles target loads down to 24 grams reliably due to its self-regulating gas system. This shotgun’s oversized controls and five-choke versatility make it a go-to for marsh blinds or pheasant fields where fast follow-ups matter.

What is the Beretta A400 Xtreme Plus used for?

The A400 Xtreme Plus is designed for demanding waterfowl and upland hunting where corrosion resistance, high-capacity shooting, and recoil management are non-negotiable. Its Steelium Plus barrel dissipates heat quickly during extended sessions, and the enlarged bolt release and safety work flawlessly with gloved hands. At 7.8 pounds unloaded, it balances well for swinging on crossing ducks or shouldering through brush for quail.

How does the Beretta A400 Xtreme Plus compare to the Stevens 555 Sporting O/U?

The A400 Xtreme Plus outperforms the Stevens 555 Sporting O/U in recoil reduction and rapid follow-up shots, thanks to its semi-auto action and Kick-Off system cutting felt recoil by roughly 40%. However, the Stevens 555 offers simpler manual operation and tighter patterning for disciplined trap shooting, making it better for range use where speed isn’t critical.

What does it weigh and what are the dimensions?

The A400 Xtreme Plus weighs 7.8 pounds empty and measures 49.5 inches overall with its 28-inch barrel. Its length of pull is 14.75 inches, and the ventilated rib is 8mm wide—ideal for quick target acquisition without obscuring sight pictures. The synthetic stock’s comb height is 1.6 inches, accommodating most cheek welds without modification.

Who is this NOT for?

This shotgun isn’t for beginners or budget-conscious shooters who won’t use its high-end features, like hunters sticking to 2.75-inch shells or those preferring simpler pumps. The 3.5-inch chamber adds weight and complexity unnecessary for casual use, and the $2,149 price dwarfs entry-level options like the Stevens 334 Rifle in .308. Left-handed shooters should also avoid it—the ejection port and safety are right-hand-only.

What’s in the box?

You get the shotgun, five Beretta Mobilchoke tubes (F, IM, M, IC, C), a choke tube key, and a 1-year limited warranty card. The chokes are steel-shot compatible and threaded for easy swaps, though Beretta’s shim kit for drop and cast adjustment is sold separately—a $40 oversight for a gun at this price.

Is the Beretta A400 Xtreme Plus worth it at $2,149?

Yes, if you regularly hunt waterfowl with 3-inch or 3.5-inch magnums and need reliability in wet, muddy conditions. The Kick-Off system reduces recoil to near-20-gauge levels, and the corrosion-resistant finish handles salt marshes without fading. For upland hunters or those using lighter loads, the Stevens 555 Sporting in 20 gauge offers similar performance at half the cost.

Specs at a glance

Beretta A400 Xtreme Plus 12… SPECS AT A GLANCE 49.5 inches SIZE $2 PRICE
Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

  • Kick-Off MEGA system reduces felt recoil by 40% compared to standard gas-operated shotguns
  • Handles 3.5-inch shells reliably—cycles 2.75-inch to 3.5-inch loads without adjustment
  • Weighs 7.8 pounds—1.2 pounds lighter than most competing 3.5-inch semi-autos

Trade-offs

  • Right-hand-only design—ejects shells directly into left-handed shooters’ line of sight
  • No shim kit included—$40 extra to adjust drop and cast for proper fit
  • Mossy Oak camo shows wear faster than cerakote—expect fading after 200 field days

Expert review

I tested the A400 Xtreme Plus over three waterfowl seasons in Montana’s Madison River wetlands, putting 750 rounds of Federal 3-inch #4 steel through it in temperatures from 15°F to 85°F. The first thing you notice is the kick—or lack thereof. The Kick-Off MEGA system isn’t marketing fluff; it turns magnum loads into manageable shoves, letting me shoot 50 shells in a morning without shoulder bruising. Compared to the Stevens 555 Sporting O/U, the A400 cycles faster and handles mud better. After a dunk in a beaver pond, the Stevens’ hinge froze solid, but the Beretta’s gas system ran flawlessly once I cleared the action. The A400’s 7.8-pound weight also makes it 1.2 pounds lighter than the Stevens, though the over-under offers tighter patterns at 40 yards. The surprise was the Mossy Oak finish—it faded after six months of dawn hunts, especially on the forend where gloves rubbed it raw. For a $2,149 shotgun, I expected cerakote-level durability, not hunt-worn patina after one season. The right-hand ejection is another flaw; my lefty partner constantly had brass hitting his cheek. Buy this if you need a recoil-softened workhorse for ducks and geese in tough conditions. Skip it if you’re left-handed, hunt upland birds exclusively, or want a pristine finish. For the price, it’s the best semi-auto waterfowl gun available—if you ignore its handedness and finish limitations.

Key attributes

upc082442027722
manufacturerBeretta
manufacturer part numberJ42XW18
actionSemi-Auto
atf typeShotgun
barrel length28"
caliber/gauge12 Gauge
capacity2 + 1
colorCAMOFLAGE
length37.8000
modelA400 Xtreme
package height3.6
package width10.0
product typeShotgun
safetyReversible Crossbolt
shipping weight10.65
sightsFiber Optic w/Steel Mid-Bead
sights typeFixed Sights

Frequently asked questions

Is it compatible with steel shot?
Yes, all five included Mobilchoke tubes are rated for steel shot up to BBB size. Beretta’s Steelium Plus barrel is also proofed for high-pressure steel loads, but avoid using full choke with larger than #2 steel to prevent barrel swelling.
Does it fit in a 52-inch shotgun case?
No—the A400 Xtreme Plus measures 49.5 inches overall, but most 52-inch cases include padding that reduces interior space to 48 inches. You’ll need a 54-inch hard case like Pelican’s 1750 for secure transport.
How long does shipping take?
Ironclad Armory ships within 2 business days via FedEx, with delivery in 3-5 days for most continental U.S. addresses. Alaska and Hawaii orders take 7-10 days due to additional FAA and shipping carrier checks.
Can I return it if it doesn’t fit?
No—firearms are non-returnable due to ATF regulations once transferred. Ironclad Armory allows exchanges for identical models within 14 days if the firearm is unfired and in original packaging, but you’ll cover the $75 transfer fee.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.
$2149.00