The Winchester SX4 Waterfowl Hunter is a 12-gauge semi-auto shotgun built for serious duck and goose hunters who demand reliability in cold, wet conditions. With its gas-operated Active Valve system—the same proven design from the SX3, now refined—and 28-inch barrel, this shotgun balances quick target acquisition with the reach you need for overhead birds. The Mossy Oak Bottomlands camouflage finish has earned its reputation with waterfowl hunters for a reason: it works. Winchester wrapped the aluminum alloy receiver, barrel, and composite stock in the same trusted pattern, so you blend into the marsh from gun to buttstock.
Comfort and speed matter when you're working birds. The SX4 delivers with an Inflex Technology recoil pad that absorbs punishment across longer shooting sessions, while new larger controls—a bolder cocking handle and easier bolt release—function smoothly even when your hands are cold or gloved. The trigger guard opening is roomier too, so you can keep gloves on without fumbling. Three Invector-Plus choke tubes ship with the gun, giving you flexibility to match your pattern and distance. A TRUGLO fiber-optic front sight helps you track moving targets, and the 1/4-inch ventilated rib supports a natural sight picture.
Winchester engineered this gun to handle 3-inch magnum loads out of a 3-inch chamber, so you've got options for whatever waterfowl season demands. The composite stock resists weather abuse, length-of-pull spacers let you dial in your fit, and reversible safety buttons work for right or left-handed shooters. At 7 pounds with a 4-round magazine capacity, the SX4 handles the recoil and cycles shells reliably in the field.
| Gauge | 12 |
| Chamber Length | 3 inches |
| Barrel Length | 28 inches |
| Overall Length | 49 inches |
| Length of Pull | 14.25 inches |
| Drop at Comb | 1.75 inches |
| Drop at Heel | 2 inches |
| Weight | 7 lbs |
| Magazine Capacity | 4 rounds |
| Rib Width | 0.25 inches |
| Receiver Material | Aluminum alloy |
| Stock Material | Composite |
| Action Type | Gas-operated semi-automatic |
| Finish | Mossy Oak Bottomlands camouflage |
| Choke Tubes Included | Three Invector-Plus |
Three Invector-Plus choke tubes are included, giving you options to adapt your pattern and range to different hunting conditions.
Yes. The safety button is reversible, so you can set it up for either right or left-handed operation.
The SX4 has a 3-inch chamber and is rated for 3-inch ammunition. Always consult the manual for specific load specifications and comply with local regulations.
The Inflex Technology recoil pad is designed to absorb recoil energy, reducing felt recoil so you can shoot longer and more comfortably, especially with magnum loads.
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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Winchester
Winchester
Winchester
Winchester
