The Winchester SX4 Waterfowl is a 12-gauge semi-automatic shotgun built specifically for hunters who spend mornings in marshes and shallow water waiting for ducks and geese. This 28-inch barreled gun combines the proven Active Valve gas-operating system from Winchester's legendary SX3 with refined ergonomics and controls designed for faster, more intuitive shooting when birds work your decoys. The aluminum alloy receiver keeps weight down, and the Realtree Max-7 finish blends seamlessly into winter wetland environments—cattail brown, gray, and black patterns that match the broken colors of marshland habitat far better than generic camo.
The SX4 Waterfowl arrives ready to hunt. The barrel features a chrome-plated chamber and bore for easy cleaning and rust resistance, paired with a ventilated rib for better sight picture and heat management on long days in the blind. Winchester included three Invector-Plus choke tubes, a fiber-optic front sight from TRUGLO for low-light aiming, and their Inflex Technology recoil pad to manage the 3-inch magnum loads you'll be shooting. Oversized controls—cocking handle, bolt release, and reversible safety—make operation smooth whether you're in heavy gloves or shooting left-handed.
Gas-operated autoloaders handle the recoil and cycling work for you, and the SX4's Active Valve system has proven reliable across thousands of hunters' fields and marsh seasons. The composite stock wears the same Max-7 finish as the receiver and barrel for complete concealment, and the included sling swivel studs let you rig it for carry. If you're serious about waterfowl hunting and want a shotgun that balances speed, reliability, and smart design without fussy maintenance, the SX4 Waterfowl deserves a hard look.
| Gauge | 12 |
| Chamber | 3 inch |
| Barrel Length | 28 inches |
| Action Type | Gas-operated semi-automatic |
| Operating System | Active Valve |
| Receiver Material | Aluminum alloy |
| Receiver Finish | Realtree Max-7 camouflage |
| Barrel Finish | Chrome-plated chamber and bore; Realtree Max-7 camouflage |
| Stock Material | Composite |
| Stock Finish | Realtree Max-7 camouflage |
| Rib | Ventilated |
| Choke Tubes Included | Three Invector-Plus (FMIC) |
| Front Sight | TRUGLO fiber-optic |
| Recoil Pad | Inflex Technology |
| Safety | Reversible button |
The SX4 Waterfowl includes three Invector-Plus choke tubes to give you flexibility with different shot distances and waterfowl species. These are full modified interchangeable (FMIC) tubes.
Yes. The SX4 Waterfowl is chambered in 3 inches and is designed to handle 3-inch magnum waterfowl loads. The Inflex Technology recoil pad helps manage the heavier recoil from magnum ammunition.
The reversible safety button can be configured for either right- or left-hand operation. The oversized controls are designed to work well regardless of your shooting hand.
The Winchester SX4 Waterfowl comes with three Invector-Plus choke tubes, a TRUGLO fiber-optic front sight, an Inflex Technology recoil pad, length-of-pull spacers, and sling swivel studs for carrying.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
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