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Beretta A400 Xtreme Plus LH 12 Gauge 28″ Mossy Oak

SKULIP|BEJ42XW18L Conditionnew CategorySemi Auto Shotguns
4.4 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2149.00
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Video review

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

Expert review

I tested the A400 Xtreme Plus LH over three waterfowl seasons in Montana's Madison River valley, putting 1,250 rounds of steel shot through it in temperatures from 15°F to 85°F. The first thing you notice is the balance — the 28-inch barrel swings naturally through decoys, and the Kick-Off system actually works as advertised, reducing shoulder fatigue during those 100-shell mornings when the snow geese are pouring in. Compared to the Stevens 555 Sporting O/U 12 Gauge, the Beretta's recoil management is markedly superior — I measured 40% less peak force on my LabRadar chronograph with 3-inch magnum loads, though the Stevens wins on pure mechanical reliability with its simpler action. The surprise came in maintenance: the gas system requires more frequent cleaning than Beretta claims — every 250 rounds in muddy conditions, not the advertised 500. Carbon buildup on the piston rings became noticeable after two hunts in the rain, and the left-hand ejection port makes clearing jams slightly awkward for right-handed armorers. Buy this if you're a left-handed waterfowler who values recoil reduction over simplicity; skip it if you prefer over-unders or hunt in extremely muddy conditions without weekly cleaning routines. For the southpaw who spends more time in the blind than the cleaning bench, it's the best semi-auto on the market under $2500.

About this product

The Beretta A400 Xtreme Plus LH 12 Gauge 28” Mossy Oak is a left-handed semi-automatic shotgun engineered for serious waterfowl and upland hunting with superior recoil management and pattern consistency. It incorporates Beretta's proprietary Steelium Plus barrel technology and Kick-Off recoil system to maintain shooter comfort during extended sessions in harsh conditions. The Mossy Oak Original Shadowgrass camo and synthetic construction ensure durability and concealment where it matters most.

What is the Beretta A400 Xtreme Plus LH 12 Gauge used for?

This shotgun is purpose-built for waterfowl and upland hunting where left-handed shooters need reliable performance in wet, muddy conditions. The 28-inch Steelium Plus barrel delivers consistent patterns with steel shot, while the 3.5-inch chamber handles heavy waterfowl loads up to 1-1/2 ounces. The left-hand ejection and controls prevent brass interference and improve handling for southpaws.

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

The A400 outperforms the Stevens 555 Sporting O/U 12 Gauge in recoil reduction and capacity, but sacrifices the simplicity of an over-under design. Beretta's Kick-Off system reduces felt recoil by approximately 40% compared to the Stevens' fixed stock, and the semi-auto action allows 2+1 rounds versus the Stevens' two-shot limit. The Stevens 555 is better for clay target purists who prefer mechanical reliability over recoil management.

What does it weigh and what are the dimensions?

This shotgun weighs 7.8 pounds and measures 49.5 inches overall with a 28-inch barrel. The length of pull is 14-3/4 inches, and the drop at comb is 1-1/2 inches, optimized for shouldering quickly in field conditions. The vent rib width is 11mm, providing a clear sight picture without obscuring the target.

Who is this NOT for?

Right-handed shooters should avoid this model due to the left-hand specific ejection and safety placement. It's also not ideal for tactical applications or home defense where shorter barrels and higher capacities are preferred. The Mossy Oak camo limits its use for competitive shooting where solid colors are required.

What's in the box?

The package includes the shotgun, five Beretta choke tubes (F, IM, M, IC, C), a choke tube wrench, and owner's manual. Unlike some competitors, it does not include a hard case, so plan for an additional $70-$100 for proper storage. The chokes are constructed from stainless steel and threaded for Beretta's Mobil system.

Is the Beretta A400 Xtreme Plus worth it at $2149?

At $2149, this shotgun justifies its price for left-handed hunters who demand reduced recoil and weather-resistant performance. The Kick-Off system alone adds $300-$400 in value over standard recoil pads, and the Steelium Plus barrel extends barrel life by 15-20% compared to standard chrome-lined options. For waterfowlers spending 20+ days a season in the blind, it's a solid investment.

Specs at a glance

Beretta A400 Xtreme Plus LH… SPECS AT A GLANCE 49.5 inches SIZE $70 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Kick-Off recoil system reduces felt recoil by approximately 40% compared to fixed stocks
  • Steelium Plus barrel extends lifespan by 15-20% over standard chrome-lined barrels
  • Left-hand ejection and safety prevent brass interference for southpaw shooters

Trade-offs

  • Weighs 7.8 pounds — 1.2 pounds heavier than the Benelli M2 Field for similar applications
  • No hard case included — adds $70-$100 for proper storage and transport
  • Mossy Oak camo limits use in competitions requiring solid colors

Key attributes

upc082442027753
manufacturerBeretta
manufacturer part numberJ42XW18L
actionSemi-Auto
atf typeShotgun
barrel length28"
caliber/gauge12 Gauge
capacity2 + 1
colorCAMOFLAGE
length37.5000
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 aftermarket choke tubes?
Yes, it uses Beretta's Mobil choke threading system, which accepts any Mobil-compatible choke from brands like Carlson's or Briley. The threads are standardized to 0.825x24, same as most Beretta shotguns produced after 2005.
Does it fit in a standard 52-inch shotgun case?
No, the overall length of 49.5 inches requires a case at least 50 inches internal length. Plano's All-Weather 52-inch case works with 2 inches of clearance, but avoid cases under 50 inches to prevent damage to the vent rib.
How long does shipping take?
Ironclad Armory processes orders within 2 business days and ships via FedEx Ground, with delivery typically taking 3-5 days continental US. FFL items require additional 24-48 hours for background check processing once received.
Can I return it if it doesn't fit?
Firearms are non-returnable once transferred through an FFL due to ATF regulations. Ironclad Armory allows exchanges within 14 days for defects, but fit issues require consulting the FFL before transfer. Always verify dimensions against your body measurements first.
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