Winchester SX4 Upland Field | 12ga | 28in | PN 511236392

The Winchester SX4 Upland Field is a semi-automatic 12 gauge designed for field use. It pairs a 28-inch vent-rib barrel with a Grade II/III walnut field stock and a matte nickel aluminum alloy receiver. The gas-operated Active Valve system self-adjusts to cycle a wide range of loads while the Invector-Plus choke system provides patterning options. Typical applications include upland bird hunting and field clay shooting.

Product Specifications

• The UPC is 048702016998.
• The manufacturer is Winchester and the model is SX4 Upland Field.
• The manufacturer’s part number is 511236392.
• The action is Semi-Auto.
• The gauge is 12 Gauge.
• The maximum chamber length is 3-inch.
• The barrel length is 28 inches.
• The overall length is 49 inches.
• The capacity is 4 (2-3/4 inch) shells.
• The stock material is Grade II/III walnut with a satin finish.
• The barrel finish is matte blued and features a ventilated rib.
• The receiver is a matte nickel aluminum alloy with scroll engraving.
• Included choke tubes are Full, Modified, and Improved Cylinder (Invector-Plus).
• The sighting system is a TruGlo fiber-optic front sight.
• The stock includes an Inflex Technology recoil pad and length-of-pull spacers.

Rounded for field carry and quick handling, the SX4 Upland Field combines refined ergonomics with user-focused controls: an enlarged bolt release and reversible safety for ambidextrous use, a drop-out trigger group for maintenance, and a redesigned grip and fore-end for better pointing. Its features are aimed at shooters who want a reliably cycling semi-auto with comfortable fit options and a traditional walnut appearance.

Owners often praise the SX4 for its improved ergonomics and comfortable handling. Many also note reliable cycling across a broad range of loads thanks to the Active Valve system.