Winchester Guns Sx4 Wgun 511289691 Sx4 Wtfwl 20 3 26 Wdlnd

The Winchester SX4 Waterfowl Hunter is a 20-gauge gas-operated autoloading shotgun engineered for hunters who spend serious time on the water and in the marsh. Built around Winchester's proven Active Valve Gas System, this 3-inch chamber shotgun delivers reliable, fast cycling performance without the punishing recoil of traditional waterfowl guns—thanks to the new Inflex Technology recoil pad. The 26-inch barrel wears a ventilated rib and comes dressed in Woodland camouflage, a time-tested concealment pattern that works across flooded timber, cattail marshes, and mixed wetland environments. Chrome plating on the chamber and bore stands up to steel shot and harsh water conditions, keeping your shotgun functioning hard season after season.

Winchester refined the SX4 platform with real-world waterfowl hunting in mind. The enlarged bolt handle and bolt release make operation smooth even with cold, wet hands or when wearing gloves. The reversible safety button lets you set up for your natural hand position, and the roomier trigger guard accommodates heavier clothing without binding. Winchester also included length-of-pull spacers so you can dial in the stock geometry to your frame and shooting style—a detail that matters when you're spending hours in a blind or wading through early morning conditions.

The package comes ready to hunt: three Invector-Plus choke tubes (full, modified, improved cylinder) give you flexibility to dial in your pattern for different ranges and bird behavior, while the TruGlo fiber-optic sight helps you track targets in low-light conditions common at dawn and dusk. Sling swivel studs are already installed for easy mounting of your carry sling.

Key Features

• Gas-operated action with Active Valve System for soft-shooting, reliable cycling
• 20-gauge, 3-inch chamber for waterfowl and upland applications
• 26-inch barrel with ventilated rib and chrome-plated chamber and bore
• Woodland camouflage finish on receiver, barrel, and composite stock
• Inflex Technology recoil pad reduces felt recoil and shot-to-shot fatigue
• Three Invector-Plus choke tubes included (Full, Modified, Improved Cylinder)
• TruGlo fiber-optic front sight for improved visibility in low light
• Enlarged bolt handle and bolt release for gloved operation
• Reversible safety button for left- or right-hand preference
• Length-of-pull spacers for custom fit
• Sling swivel studs pre-installed
• Larger trigger guard opening for comfortable shooting in heavy clothing

Specifications

Frequently Asked Questions

What choke tubes are included with the SX4 Waterfowl Hunter?

Winchester ships the SX4 with three Invector-Plus choke tubes: Full, Modified, and Improved Cylinder. This range lets you adapt your shot pattern from tight long-distance passes to closer working birds.

Is the SX4 Waterfowl Hunter suitable for upland hunting or just waterfowl?

The SX4 20-gauge is a versatile shotgun. While it's optimized for waterfowl with its Woodland finish and corrosion-resistant barrel, the 3-inch chamber and choke-tube system work well for upland game birds and other hunting applications where a 20-gauge is appropriate.

Can I adjust the stock fit on this shotgun?

Yes. Winchester includes length-of-pull spacers with the SX4, allowing you to customize how the stock sits against your shoulder. This is especially useful if you like to shoot with heavier layers or want to fine-tune the gun to your frame and shooting style.

Will the chrome-plated barrel handle steel shot and corrosion?

The chrome-plated chamber and bore are specifically designed to withstand steel shot and the harsh conditions of wet environments. This protection extends the life of your shotgun through years of waterfowl season.