The Winchester SX4 in 20 gauge (brand part no. 511205692) is a semi-automatic shotgun built around a 28-inch barrel with a 3-inch chamber, improving on the previous SX3 with slimmer, lighter ergonomics and a redesigned grip. Winchester finishes the SX4 in matte black synthetic and equips it with a TruGlo fiber optic front sight and 2-position crossbolt safety. Among semi-auto shotguns in the semi-auto shotguns category, the SX4 favors shooters who want improved ergonomics over the earlier SX3 platform.

Key Specifications

• Chambered in 20 gauge with a 3-inch chamber.
• Operates as a semi-automatic shotgun.
• Features a 28-inch barrel.
• Feeds from a magazine with a 3+1 capacity.
• Includes Full, Modified, and Improved Cylinder chokes.
• Fitted with a TruGlo fiber optic front sight.
• Equipped with a 2-position crossbolt safety.
• Built with an enlarged trigger guard for easier gloved use.
• Barrel finished in matte black.
• Ships at approximately 9.1 pounds.

Frequently Asked Questions

What was improved from the SX3? Slimmer, lighter ergonomics with a redesigned grip and enlarged trigger guard.

What chokes come with the SX4? Full, Modified, and Improved Cylinder.

Buy the Winchester SX4 20 Gauge

Improved ergonomics over the earlier SX3 platform is exactly what the SX4 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.