Winchester's legendary SX4 autoloader built for waterfowl hunting with proven Active Valve gas system, 3.5" chamber, and three Invector choke tubes.
The Winchester SX4 represents the pinnacle of waterfowl shotgun design, purpose-built for the demanding conditions of the marsh. This semi-automatic 12-gauge delivers the reliability and performance serious duck and goose hunters demand.
At the heart of the SX4 lies Winchester's legendary Active Valve gas operating system—the same battle-tested mechanism that made the SX3 and SX2 the most trusted autoloaders in the marsh. This system has been refined through years of real-world hunting to ensure flawless function in wet, muddy, and challenging conditions.
The SX4 is engineered to handle the toughest waterfowl hunting scenarios. Whether you're working a flooded timber stand or hunting open water, this shotgun delivers the reliability and performance that separates success from frustration.