Beretta A400 Xtreme Ko 12/28 Marsh

Beretta A400 Xtreme Ko 12/28 Marsh

Beretta
MPN:
J42XM18
UPC:
082442893754
$2,149.00
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Description

The Beretta A400 Xtreme Ko 12/28 Marsh is a purpose-built semi-automatic shotgun engineered to dominate the most demanding waterfowl environments, combining Beretta's legendary reliability with cutting-edge recoil management and all-weather durability.

  • Steelium Plus barrel delivers superior patterning with all hunting and steel loads
  • Soft comb stock significantly reduces felt recoil transferred to the shooter's cheek
  • Step rib with fiber optic front bead and integral mid-bead for fast target acquisition
  • Extended charging handle and bolt release enable easy operation in cold, wet conditions
  • Enlarged loading port allows faster, more reliable shell loading during fast action
  • Marsh-finish aesthetics and weather-resistant construction built for the blind and field

Who This Is For

The A400 Xtreme Ko 12/28 Marsh is ideal for dedicated waterfowl hunters who spend long days in punishing conditions — rain, cold, and mud included. Whether you're pass-shooting geese from an open field or decoying mallards in a flooded timber blind, this shotgun is built to cycle steel loads reliably all season long. It's also a smart choice for high-volume shooters who want serious recoil reduction without sacrificing fit, balance, or follow-up shot speed.

Beretta A400 Xtreme Ko 12/28 Marsh semi-automatic shotgun, right side view Beretta A400 Xtreme Ko 12/28 Marsh shotgun detail view showing marsh finish and receiver

Specifications

BrandBeretta
ModelA400 Xtreme Ko
Gauge12 Gauge
Barrel Length28 Inches
FinishMarsh
ActionSemi-Automatic (Gas-Operated)
Chamber3.5 Inch
Choke SystemOptima-Choke HP (Extended)
RibStep Rib with Mid-Bead & Fiber Optic Front Bead
StockSynthetic with Soft Comb & Kick-Off Recoil Reducer
Capacity3+1 Rounds
WeightApprox. 7.7 lbs

Frequently Asked Questions

Can the Beretta A400 Xtreme Ko handle steel shot and heavy waterfowl loads?

Yes. The A400 Xtreme Ko is specifically designed for steel and heavy non-toxic shot loads. The Steelium Plus barrel and Optima-Choke HP system are rated for use with steel shot, and the gas-operated action cycles reliably across a wide range of 2¾-inch through 3½-inch magnum loads — making it one of the most versatile waterfowl shotguns on the market.

What is the Kick-Off recoil system and how effective is it?

Beretta's Kick-Off system is a hydraulic dampener built into the stock that absorbs a significant portion of felt recoil before it reaches the shooter's shoulder. Combined with the soft comb and the gas-operated action, the A400 Xtreme Ko can reduce felt recoil by up to 70% compared to traditional semi-automatics — allowing for more comfortable shooting during long waterfowl hunts and faster follow-up shots.

Is the A400 Xtreme Ko compatible with aftermarket choke tubes?

The A400 Xtreme Ko uses Beretta's Optima-Choke HP (High Performance) system, which is compatible with a wide range of Beretta Optima-Choke HP extended and flush choke tubes from Beretta and aftermarket manufacturers such as Kicks, Carlson's, and Patternmaster. Always confirm the choke is rated for steel shot before use with non-toxic loads.