Winchester SX4 Waterfowl 20ga | 26″ Realtree Max-7 | 511303691

The Winchester SX4 Waterfowl is a gas-operated, semi-automatic 20 gauge shotgun finished in Realtree Max-7 camouflage and fitted with a synthetic field stock. It ships with a 26-inch ventilated-rib barrel, an Invector-Plus choke set (Full, Modified, Improved Cylinder), TruGlo fiber-optic front sight, and an Inflex Technology recoil pad. The SX4’s controls are oversized and designed to be operated in damp or cold conditions for reliable use in the field. This configuration is intended for waterfowl and wetland blind hunting and is well suited to marsh and lakeshore wing-shooting scenarios.

Product Specifications

• The UPC is 048702024047.
• The manufacturer is Winchester.
• The ATF model is listed as SUPER X 4.
• The model name is SX4 Waterfowl and the manufacturer part number appears as 511303691.
• The gauge is 20 Gauge.
• The action is Semi-Auto and uses Winchester’s gas-operated Active Valve system.
• The barrel measures 26 inches and features a ventilated rib.
• The chamber is sized for a maximum of 3 inches.
• The listed capacity is 4 + 1.
• The receiver material is Aluminum alloy.
• The stock is a synthetic field stock finished in Realtree Max-7 camouflage.
• The overall finish is Realtree Max-7 camouflage.
• The choke set included is Full, Modified, Improved Cylinder (Invector-Plus).
• The sighting is a TruGlo fiber-optic front sight.
• The overall length is 47 inches.

The SX4 Waterfowl pairs a camo-first finish and user-focused controls with a proven gas system to deliver consistent autoloading performance and manageable recoil on extended marsh hunts. Its included choke selection and fiber-optic sight make it a practical option for typical waterfowl ranges and blind setups, while the synthetic, stud-equipped stock simplifies carry and sling mounting.

Users and reviewers commonly praise the SX4 for its reliable, trouble-free operation in the field. Many also note the Realtree Max-7 finish provides effective concealment in marsh and wetland environments.