The Winchester SX4 Hybrid Hunter 20ga 28" semi-auto shotgun brings proven gas-operated reliability to a nimble platform built for duck and goose hunters who value maneuverability without sacrificing firepower. Built on Winchester's Active Valve system—the same battle-tested gas-operation found in the legendary SX3—this 20-gauge autoloader pairs a lightweight aluminum alloy receiver with a composite stock finished in Realtree Max-7 camouflage. The receiver and barrel wear a Cerakote FDE finish that resists the elements and cuts glare, giving you a shotgun that performs as good as it looks in the marsh or field.
This is a gun designed for practicality in the moment. The larger cocking handle, bolt release, and reversible safety button speed up operation when it counts, and the trigger guard's expanded opening accommodates gloved fingers in cold-weather conditions. The ventilated rib on the chrome-plated barrel aids sight picture and heat dissipation, while the new Inflex Technology recoil pad manages the 20-gauge's kick without excessive drop-off. A TRUGLO fiber-optic sight comes standard, so you can pick up targets quickly in low light. Length of pull spacers let you dial in fit to your frame, and the sling swivel studs are ready to accept your carry method of choice.
Three Invector-Plus choke tubes give you flexibility to match your shooting scenario—tighter patterns for distance, open chokes for close-range work. Whether you're working a foggy morning or an afternoon push, the SX4 Hybrid Hunter pairs the durability hunters have trusted for years with the refinement modern waterfowl hunters expect.
| Gauge | 20 |
| Chamber | 3 inches |
| Barrel Length | 28 inches |
| Action | Gas-operated semi-automatic (Active Valve system) |
| Receiver | Aluminum alloy with Cerakote FDE finish |
| Barrel | Chrome-plated chamber and bore; Cerakote FDE finish; ventilated rib |
| Stock | Composite with Realtree Max-7 camouflage finish |
| Choke Tubes | Three Invector-Plus tubes (included) |
| Sight | TRUGLO fiber-optic |
| Recoil Pad | Inflex Technology |
| Safety | Reversible button |
Three Invector-Plus choke tubes are included, allowing you to switch between different constriction levels to match your shooting distance and target size.
Yes. The safety button is reversible, making it accessible to both left- and right-hand shooters.
The Active Valve system is Winchester's proven gas-operated mechanism that cycles reliably across a range of ammunition loads. It's the same system found in the SX3, known for durability and dependability in the field.
Yes. Length of pull spacers are included, allowing you to customize the stock length to match your physique and shooting style for better fit and control.
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
