Winchester SX4 Cantilever Buck 20 Gauge Semi-Auto Shotgun, 22″ Barrel, Synthetic Stock

The Winchester SX4 Cantilever Buck is a purpose-built deer shotgun designed for slug and buckshot performance in the field. Built on Winchester’s proven SX4 semi-automatic platform, this 20-gauge model pairs a 22-inch barrel with a cantilever scope mount rail, making it an ideal host for optics-driven close-to-mid-range whitetail hunting. The black synthetic stock shrugs off rough weather while keeping the overall package lightweight and maneuverable in the blind or brush.

Key Specifications

• The action is semi-automatic, delivering fast, reliable follow-up shots on moving game.
• Chambered in 20 gauge for a manageable, versatile hunting platform.
• The barrel measures 22 inches, optimized for slug accuracy and field handling.
• Magazine capacity is 3+1 rounds, keeping you in the fight without fumbling for a reload.
• Overall length is 37.55 inches, making this a compact, easy-to-shoulder shotgun.
• The stock and furniture are finished in black synthetic for durability in harsh field conditions.
• Front sights feature a fiber optic bead for fast, high-visibility target acquisition.
• The rear sight is fully adjustable, allowing precise windage and elevation tuning for slug loads.

When it comes to deer season, the SX4 Cantilever Buck gives hunters a serious edge — a gas-operated semi-auto that soaks up recoil, an integrated cantilever rail ready for your favorite scope or red dot, and sights that work in low morning light. Whether you’re sitting a stand in heavy cover or still-hunting creek bottoms, this 20-gauge is a confident, capable partner. Add it to your cart and take a dependable Winchester into the field this season.