The Winchester SX4 Waterfowl 12ga semi-automatic shotgun is a gas-operated waterfowl gun built to handle marshes, backwater flats, and early-season duck hunts where concealment and reliability both matter. Finished in Realtree Max-7 camouflage, it combines proven mechanics with practical waterfowl features—chrome-plated chamber and bore, a ventilated rib, and a receiver machined from lightweight aluminum alloy that keeps recoil manageable through a long hunting day. The 26" barrel and 3" chamber give you the shot pattern and payload flexibility waterfowlers need.

Winchester engineered the SX4 around an Active Valve gas system that traces its lineage to the bulletproof SX3—it runs clean, cycles reliably across a range of ammo, and handles the mud and salt spray that come with the territory. The gun ships with an Inflex Technology recoil pad that softens the kick, and Winchester included three Invector-Plus choke tubes so you can dial in your spread for different distances and shot sizes. Larger controls—oversized cocking handle, bolt release, and reversible safety button—work with gloved hands and feel intuitive even in the predawn dark.

A TRUGLO fiber-optic sight sits atop the rib for a clean sight picture, and sling swivel studs are drilled and tapped so you can rig it for the walk in or the boat ride out. The composite stock and foregrip are finished in Max-7, and Winchester includes length-of-pull spacers if you need to dial in fit. This is a shotgun built by people who understand what waterfowlers actually do—no fluff, just a dependable semi-auto that earns its place in the blind.

The Winchester SX4 Waterfowl 12ga semi-automatic shotgun is a gas-operated waterfowl gun built to handle marshes, backwater flats, and early-season duck hunts where concealment and reliability both matter. Finished in Realtree Max-7 camouflage, it combines proven mechanics with practical waterfowl features—chrome-plated chamber and bore, a ventilated rib, and a receiver machined from lightweight aluminum alloy that keeps recoil manageable through a long hunting day. The 26" barrel and 3" chamber give you the shot pattern and payload flexibility waterfowlers need.

Winchester engineered the SX4 around an Active Valve gas system that traces its lineage to the bulletproof SX3—it runs clean, cycles reliably across a range of ammo, and handles the mud and salt spray that come with the territory. The gun ships with an Inflex Technology recoil pad that softens the kick, and Winchester included three Invector-Plus choke tubes so you can dial in your spread for different distances and shot sizes. Larger controls—oversized cocking handle, bolt release, and reversible safety button—work with gloved hands and feel intuitive even in the predawn dark.

A TRUGLO fiber-optic sight sits atop the rib for a clean sight picture, and sling swivel studs are drilled and tapped so you can rig it for the walk in or the boat ride out. The composite stock and foregrip are finished in Max-7, and Winchester includes length-of-pull spacers if you need to dial in fit. This is a shotgun built by people who understand what waterfowlers actually do—no fluff, just a dependable semi-auto that earns its place in the blind.