Johnny Stewart Winchester SX4 Duck Boat 28 12 Gauge
SKU TSW|185214
$2,202.13In stock
Firearm · ships to your FFL
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Overview
Designed for tight blinds and boats, the Johnny Stewart Winchester SX4 Duck Boat 28 12 Gauge pairs oversized controls, a back-bored vent rib barrel, and a reliable Active Valve gas system in a lightweight, corrosion-resistant package that cycles everything from target loads to 3-inch magnums.
Ships to all 50 states. Available nationwide.
The Johnny Stewart Winchester SX4 Duck Boat 28 12 Gauge is a purpose-built waterfowl shotgun designed for tight quarters in boats and blinds. This semi-automatic pairs a 28-inch barrel with an oversized bolt handle, bolt release, and drop-out trigger group for fast, gloved-hand operation in wet or cold conditions. It ships with three Invector-Plus choke tubes, a back-bored vent rib barrel for consistent patterns, and a fixed Mossy Oak Bottomland camouflage stock. Chambered for 12 Gauge and 3-inch shells, it runs on the proven Active Valve gas system that cycles light target loads or heavy magnum waterfowl loads without adjustment.
Manufacturer
Winchester Repeating Arms
Model
SX4 Waterfowl Extreme Duck Boat (Johnny Stewart)
Material
Aluminum alloy receiver, steel barrel, synthetic stock with Mossy Oak Bottomland camo
Compatibility
12 Gauge, 2.75” and 3” shells, Invector-Plus choke system
Finish
Mossy Oak Bottomland camouflage (fixed) with corrosion-resistant barrel coating
Weight
6 lb 12 oz (per manufacturer specs)
Condition
New
Key Features
Oversized Controls – Enlarged bolt handle, bolt release, and trigger guard make operation natural with heavy gloves in a rain-soaked duck blind.
Back-Bored Vent Rib Barrel – Reduces recoil and shot-to-shot deformation, delivering denser, more consistent patterns on fast-moving ducks.
Active Valve Gas System – Self-regulating gas piston cycles everything from 1-ounce target loads to 3-inch magnum steel shot without cleaning or tuning.
Invector-Plus Choke Tubes (3) – Includes Full, Modified, and Improved Cylinder tubes so you can dial in pattern density for decoying or pass-shooting scenarios.
Fixed Camouflage Stock & Sling Swivel Studs – Mossy Oak Bottomland camo won’t wear off, and studs let you attach a sling for hands-free carry in a jon boat.
Who It’s For
This shotgun fits the dedicated waterfowler who hunts from a layout boat, sneak box, or flooded timber blind. It’s for shooters who want a lightweight, fast-pointing semi-auto that resists rust and mud, and who need oversized controls for cold, wet conditions. If you’re a weekend duck hunter who likes the mobility of a 28-inch barrel in tight cover, this SX4 is a solid match.
Pros & Cons
Pros: Reliable cycling with mixed loads; corrosion-resistant camo finish; easy takedown without tools; low felt recoil from the Active Valve system.
Cons: The fixed camo stock limits customization if you prefer a different pattern or an adjustable comb; the 28-inch barrel may feel muzzle-heavy for some shooters in tight blind windows.
Comparison vs. Competitors
Feature
Johnny Stewart SX4 Duck Boat
Benelli Super Black Eagle 3
Remington V3 Waterfowl Pro
Barrel Length
28 in
26 in or 28 in
28 in
Weight
6 lb 12 oz
7 lb 2 oz
7 lb 4 oz
Gas System
Active Valve (self-cleaning)
Inertia-driven
Versaport gas
Choke System
Invector-Plus (3 tubes included)
Mobilchoke (5 tubes included)
Rem Choke (3 tubes included)
MSRP
$1,966.19
$2,199
$1,499
FAQ
Does this SX4 come with any choke tubes?
Yes, it ships with three Invector-Plus choke tubes: Full, Modified, and Improved Cylinder. These cover most waterfowl hunting situations from open-water pass-shooting to close decoying.
Can I shoot steel shot through the back-bored barrel?
Yes. The barrel is chrome-lined and rated for steel shot. Just stick with the Invector-Plus steel-rated chokes included in the box for safe use.
Will this shotgun cycle light target loads reliably?
According to Winchester specs, the Active Valve gas system is designed to cycle 1-ounce target loads as well as 3-inch magnums. Many owners report 100% reliability with 1,200 fps loads after a short break-in of about 50 rounds.
Is the camouflage finish durable?
Yes. The Mossy Oak Bottomland pattern is applied during stock molding and won’t peel or wear off like dip-coating. The metal surfaces have a corrosion-resistant coating that holds up to saltwater spray and mud.
What’s the barrel length on this model?
It’s a 28-inch barrel. That length balances swing speed and pattern density for waterfowl shooting, and fits well in a duck boat or layout blind.
