The Winchester SX4 Hybrid is a gas-operated semi-auto 12 gauge shotgun (Winchester part no. 511251392) built on the Super X reputation for speed, reliability, and easy handling. Its self-adjusting Active Valve gas system uses Quadra-Vent technology to cycle a wide range of loads while venting excess gas for cleaner operation and reduced felt recoil. The 28-inch back-bored barrel pairs with Invector-Plus choke tubes for consistent patterns, and a gray Cerakote finish on the receiver and barrel gives the Hybrid model a distinct, corrosion-resistant look over a matte black synthetic stock with a smaller pistol grip and textured gripping surfaces for a secure hold in wet hands. An Inflex Technology recoil pad with LOP spacers softens the punch of a long day at the range. Made by Winchester, it’s a fast-handling autoloader for the field or the clays course.

Key Specifications

• A self-adjusting Active Valve gas system with Quadra-Vent technology cycles a wide range of loads with reduced felt recoil.
• Chambered in 12 gauge.
• A 3-inch chamber cycles standard 12-gauge loads.
• The 28-inch back-bored barrel improves patterning and reduces felt recoil.
• A 4-round magazine keeps follow-up shots coming.
• A gray Cerakote finish covers the receiver and barrel on this Hybrid model.
• Ships with Full, Modified, and Improved Cylinder Invector-Plus choke tubes.
• An Inflex Technology recoil pad with LOP spacers softens felt recoil.
• A reversible safety button suits both right- and left-handed shooters.
• A TruGlo fiber-optic front sight speeds up target acquisition.

Frequently Asked Questions

How many rounds does the SX4 Hybrid hold? A 4-round magazine plus one in the chamber for 5 total.

What chamber size does it use? A 3-inch chamber cycling standard 12-gauge loads.

What choke tubes are included? Full, Modified, and Improved Cylinder Invector-Plus tubes.

Buy the Winchester SX4 Hybrid 12 Gauge Semi-Auto Shotgun

Fast-cycling, easy to clean, and finished in a distinct gray Cerakote, the SX4 Hybrid is built for hunters and clays shooters who want Winchester’s proven reliability in a modern package. Order it from our semi-auto shotguns selection at our Lubbock, Texas gun shop for fast, insured shipping to your FFL.