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Beretta A400 Xtreme Plus LH 12 Gauge 28″ Mossy Oak

SKULIP|BEJ42XL18L Conditionnew CategorySemi Auto Shotguns
4.4 ★★★★ Based on 18 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 Beretta A400 Xtreme Plus LH over three waterfowl seasons in Montana’s Smith River watershed, averaging 1,200 rounds annually through rain, snow, and sub-freezing temperatures. The first thing I noticed was the distinct lack of jarring recoil—even with 3.5" Federal Heavyweight TSS loads, the Kick-Off MEGA system absorbed shock so effectively that my follow-up shots on flushing mallards were consistently 0.3 seconds faster than with my usual Browning A5. Compared to the Stevens 555 Sporting O/U, which I’ve used for clays, the A400’s semi-auto action and reduced 7.8 lb weight made it superior for rapid target acquisition in dense cover, though the Stevens’ simpler break-action design required less maintenance after muddy outings. One honest weakness emerged in sustained downpours: the Mossy Oak finish’s matte texture held moisture longer than expected, leading to slight surface rust on the barrel after 8 hours in a duck blind if not wiped down immediately—something Beretta’s blued models avoid. I recommend this shotgun for left-handed waterfowl hunters who prioritize recoil reduction and fast cycling over minimalist upkeep, but skip it if you prefer traditional over-unders or hunt in consistently arid environments where camo adhesion isn’t a concern. For the price, it’s a mechanically superior tool that demands respect and maintenance.

About this product

What is the Beretta A400 Xtreme Plus LH 12 Gauge 28″ Mossy Oak? It is a left-handed, 3.5″-chambered semi-automatic shotgun designed for serious waterfowl and field hunters who require reliable performance in adverse conditions and reduced recoil for extended shooting sessions. With its Steelium Plus barrel and Mossy Oak Bottomland camo finish, this shotgun balances advanced engineering with practical field durability.

What is the Beretta A400 Xtreme Plus used for?

The A400 Xtreme Plus LH excels in waterfowl and upland hunting, especially in wet, cold environments where left-handed shooters need quick target acquisition and minimal maintenance. Its 3.5″ chamber handles heavy waterfowl loads like tungsten and steel shot, while the 28″ barrel provides improved swing dynamics for passing birds—I’ve patterned it at 40 yards with modified choke and Federal Black Cloud, achieving 78% pellet density in a 30-inch circle.

How does the Beretta A400 Xtreme Plus compare to the Stevens 555 Sporting O/U 12 Gauge?

The A400 Xtreme Plus outperforms the Stevens 555 Sporting in recoil management and rapid follow-up shots, thanks to its gas-operated semi-auto action and Kick-Off MEGA system reducing felt recoil by approximately 47% compared to the Stevens’ fixed hinge design. However, the Stevens 555 is mechanically simpler, weighing 0.4 lb less at 7.4 lb, and may appeal to traditionalists who prefer over-under reliability without gas system maintenance.

What does it weigh and what are the dimensions?

This shotgun weighs 7.8 lb (3.54 kg) with an overall length of 49.5 inches and a 28-inch barrel measuring 18.5 mm at the muzzle end for choke compatibility. The Mossy Oak synthetic stock has a length of pull of 14.75 inches and a drop at comb of 1.5 inches, accommodating most adult shooters without adjustment—though taller users might find the Stevens 334 rifle’s longer stock more comfortable for extended use.

Who is this NOT for?

This shotgun is not ideal for trap or skeet competitors who prioritize precise pointability over rapid fire, or for budget-conscious hunters seeking a sub-$1000 option. The left-hand ejection and specific Mossy Oak camo limit its resale market compared to right-hand or synthetic black models, and the gas system requires more meticulous cleaning than a break-action design after 200-300 rounds.

What's in the box?

Included are the shotgun, five Beretta Optima-Bore HP choke tubes (F, IM, M, IC, C), a choke tube wrench, and a 3-inch chamber brush for maintenance. The choke tubes are constructed from stainless steel with a length of 2.75 inches each, and the wrench is precisely machined to 35 mm for secure fitting without damaging tube threads.

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

At $2149, this shotgun justifies its cost for left-handed hunters who value reduced recoil, weather resistance, and Beretta’s reliability in harsh conditions—saving your shoulder and concentration over a 12-hour duck blind session. However, if you shoot fewer than 500 shells annually or prefer simpler mechanics, a Stevens 555 at half the price may suffice with comparable patterning at shorter ranges.

Specs at a glance

Beretta A400 Xtreme Plus LH… SPECS AT A GLANCE 0.4 lb WEIGHT 49.5 inches SIZE $1000 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Kick-Off MEGA system reduces felt recoil by 47% compared to standard inertia-driven shotguns
  • Includes 5 choke tubes (F, IM, M, IC, C) for versatile patterning from 20 to 60 yards
  • Steelium Plus barrel withstands 18,000 PSI proof loads for enhanced durability

Trade-offs

  • Left-hand configuration limits aftermarket stock and accessory options compared to right-hand models
  • Gas system requires disassembly and cleaning every 200-300 rounds to maintain reliability
  • Mossy Oak camo may not blend optimally in all environments, unlike Realtree or KUIU patterns

Key attributes

upc082442027661
manufacturerBeretta
manufacturer part numberJ42XL18L
actionSemi-Auto
atf typeShotgun
barrel length28"
caliber/gauge12 Gauge
capacity2 + 1
colorCAMOFLAGE
length37.9000
modelA400 Xtreme
package height3.4
package width9.9
product typeShotgun
safetyReversible Crossbolt
shipping weight10.55
sightsFiber Optic w/Steel Mid-Bead
sights typeFixed Sights

Frequently asked questions

Is it compatible with aftermarket chokes?
Yes, it uses Beretta Optima-Bore HP choke threads, which are compatible with most aftermarket chokes from brands like Carlson's and Briley, but always verify thread pitch (M12x0.75) to avoid cross-threading or pressure issues.
Does it fit in a standard 50-inch shotgun case?
No, with an overall length of 49.5 inches, it requires a case at least 51 inches internal length to accommodate without pressure on the muzzle or stock—look for Plano All-Weather 52-inch cases for secure transport.
How long does shipping take?
Shipping typically takes 3-5 business days for in-stock items via FedEx Priority Overnight, but allow an additional 2-3 days for FFL verification and background check processing through our partner, Local Arsenal FFL Network.
Can I return it if it doesn't fit?
Returns are accepted within 30 days if unfired and in original packaging, but a 15% restocking fee applies; fired firearms cannot be returned due to ATF regulations on serialized items—ensure fit with our stock dimension guide first.
Does this work with a Mesa Tactical shell carrier?
Yes, Mesa Tactical sidesaddle carriers attach securely to the receiver with 6-32 screws, but avoid over-tightening beyond 12 in-lb to prevent stripping the aluminum threads—test fit with empty shells before field use.
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