Winchester Guns Sx4 Wgun 511303391 Sx4 Wtfwl 12-3 26+3 Max7

The Winchester SX4 Waterfowl is a gas-operated autoloading shotgun purpose-built for duck and goose hunters who demand reliable performance in wet, demanding conditions. Built around Winchester's proven Active Valve system—refined from the legendary SX3—the SX4 combines lightweight aluminum alloy construction with a Realtree Max-7 finish that blends seamlessly into marshland environments. Whether you're working a coastal blind or inland wetlands, this 12-gauge delivers the speed and reliability that matter when opportunity is short and conditions are unforgiving.

The SX4's design prioritizes both ergonomics and function. Oversized controls—a larger bolt handle, easy-access bolt release, and reversible safety button—make operation instinctive even when wearing gloves or shooting in cold weather. The receiver, barrel, and stock all wear Realtree Max-7 camouflage, eliminating glint and keeping your setup concealed in typical waterfowl habitat. The barrel features a chrome-plated chamber and bore for durability and corrosion resistance, essential when salt spray and mud are part of your hunting day. A ventilated rib aids sight picture and helps manage heat mirage during long shooting sessions.

Winchester equipped the SX4 with practical, field-proven features. Three Invector-Plus choke tubes let you match your pattern to distance and load. The integrated TRUGLO fiber-optic sight aids target acquisition in low light—common in early morning and late afternoon waterfowl hunts. Inflex Technology recoil pad technology reduces felt recoil, helping you stay on target and comfortable through a long day of shooting. Length-of-pull spacers allow fit adjustment, and sling swivel studs are factory-installed. The gas-operated action handles the full range of waterfowl loads reliably, cycling 3-inch and 3.5-inch magnum ammunition (depending on gauge) without the manual adjustments that slow semi-autos in the field.

This is a shotgun built for hunters who won't compromise on concealment, handling, or dependability.

Key Features

• Gas-operated autoloading action with Active Valve system for reliable cycling of 3-inch and 3.5-inch magnum loads
• Lightweight aluminum alloy receiver and composite stock in Realtree Max-7 camouflage
• Chrome-plated chamber and bore with ventilated rib barrel
• Oversized bolt handle, bolt release, and reversible safety for faster operation in gloved conditions
• Three Invector-Plus choke tubes (Full, Modified, Improved Cylinder)
• TRUGLO fiber-optic front sight for improved sight picture in low light
• Inflex Technology recoil pad for reduced felt recoil
• Length-of-pull spacers for custom fit
• Factory sling swivel studs

Specifications

Frequently Asked Questions

What choke tubes come with the Winchester SX4 Waterfowl?

Three Invector-Plus choke tubes are included: Full, Modified, and Improved Cylinder. This gives you options to adjust your shot pattern based on distance and hunting conditions.

Is the Winchester SX4 good for waterfowl hunting?

Yes. The SX4 is purpose-designed for waterfowl hunting, with a Realtree Max-7 camouflage finish that matches marshland and wetland environments. It handles 3-inch and 3.5-inch magnum loads reliably, cycles smoothly in cold, wet conditions, and includes features like a fiber-optic sight and recoil pad that enhance performance during waterfowl hunts.

Does the Winchester SX4 come with a sling?

The shotgun comes with factory-installed sling swivel studs, allowing you to easily attach a sling of your choice.

Can I adjust the length of pull on the SX4?

Yes. The SX4 includes length-of-pull spacers that allow you to customize the fit to your frame and shooting style.