Winchester SX4 Waterfowl | 12 Gauge | 26 in | 3.5 in | 511331291

The Winchester SX4 Waterfowl is a 12 gauge semi-automatic designed for sustained use in wet, muddy environments. It uses Winchester’s Active Valve gas operating system for reliable cycling in the field and includes Invector-Plus choke tubes suited to a range of loads. The shotgun is finished in MO Original Shadow Grass camouflage with a synthetic field-style stock and features a TruGlo fiber optic front sight and ventilated rib for target acquisition in variable light.

Product Specifications

• The gauge is 12 Gauge.
• The action type is Semi-Auto.
• The chamber accepts up to 3.5 inches.
• The barrel measures 26 inches.
• The overall length is 47 inches.
• The weight is approximately 7 pounds.
• The stock material is synthetic with a camouflage finish.
• The shotgun includes the Invector-Plus choke system with Full, Improved Modified, and Modified tubes.
• The sighting system uses a TruGlo fiber optic front sight and a ventilated rib.
• The recoil pad uses Inflex technology to reduce perceived recoil.
• The stock features checkering and a fixed field-style configuration.
• The finish is MO Original Shadow Grass camouflage.
• The receiver construction is aluminum alloy.
• The shotgun includes swivel studs and a reversible crossbolt safety.
• The UPC is 048702028298.

Built to handle marsh and wet-field conditions, the SX4 Waterfowl balances reliable autoloading with practical field features—ventilated rib, fiber optic sight, and a camo synthetic stock—making it suitable for waterfowl hunting and extended wet-weather field use. Its choke set and 3.5″ chambering offer flexibility across a range of loads and distances for migratory bird applications.