The Winchester SX4 in 20 gauge (brand part no. 511205691) is a semi-automatic shotgun built around a 26-inch vent rib barrel with a 3-inch chamber, giving hunters a durable, weather-ready platform in an all-synthetic build. Winchester finishes this SX4 in matte black with a synthetic stock, equips it with a TruGlo fiber optic front sight, and ships it with a 4-round magazine included. Among semi-auto shotguns in the semi-auto shotguns category, this SX4 favors hunters who want a low-maintenance synthetic 20 gauge.

Key Specifications

• Chambered in 20 gauge with a 3-inch chamber.
• Operates as a semi-automatic shotgun.
• Features a 26-inch vent rib barrel.
• Feeds from a tube magazine with a 3+1 capacity.
• Ships with a 4-round magazine included.
• Equipped with a TruGlo fiber optic front sight.
• Finished with a matte black synthetic stock.
• Overall length is 37.55 inches.
• Ships at approximately 9 pounds.

Frequently Asked Questions

What stock does this shotgun have? A matte black synthetic stock built for weather resistance and low maintenance.

What magazine ships with this shotgun? A 4-round magazine ships included.

Buy the Winchester SX4 20 Gauge Shotgun

A durable, low-maintenance synthetic 20 gauge is exactly what this SX4 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.