WIN BBL SX4 12GA 3 28 INV +1

The Winchester SX4 12-gauge barrel with 28-inch tube and Invector Plus choke system gives you the flexibility to adapt your shotgun for different hunting situations without buying a second gun. Whether you're switching from waterfowl to upland birds or need a dedicated barrel for turkey season, this aftermarket barrel drops into your Super X4 receiver with factory Winchester precision at a fraction of the cost of a complete firearm. The matte blued finish resists glare and wear, while the integrated Weaver-style cantilever rail opens up mounting options for optics or accessories.

This 28-inch barrel comes equipped with a TruGlo fiber-optic front sight and adjustable folding rear sight, giving you a solid sight picture right out of the box. The Invector Plus choke system includes one Extra-Full extended turkey choke, ready for close-range hunting situations where pattern density matters most. At 2 lbs 12 oz, the barrel balances weight and handling without sacrificing durability—the steel construction is built to handle 3-inch shells and the rigors of field use.

The cantilever rail isn't just for looks; it lets you mount a scope or red dot well forward of the receiver for a faster sight picture on moving targets or in tight cover. For hunters who own an SX4 and want to expand its capabilities without the investment of a second shotgun, this barrel transforms your existing gun into a specialized tool for the season ahead.

Key Features

• 28-inch barrel with matte blued finish for reduced glare
• Invector Plus choke system with Extra-Full extended choke included
• TruGlo fiber-optic front sight for quick target acquisition
• Adjustable folding rear sight for flexible sight options
• Integrated Weaver-style cantilever rail for optics mounting
• Fits Winchester Super X4 3.5-inch receivers
• Steel construction rated for 3-inch shells

Specifications

Frequently Asked Questions

What Winchester shotgun receiver does this barrel fit?

This barrel is designed to fit the Winchester Super X4 3.5-inch receiver. Confirm your shotgun model before ordering to ensure compatibility.

What choke tubes work with this barrel?

The barrel uses the Invector Plus choke system. One Extra-Full extended choke tube is included; additional chokes in the Invector Plus line are available separately for different shot patterns and game.

Can I mount a scope or red dot on this barrel?

Yes. The integrated Weaver-style cantilever rail allows you to mount optics, allowing you to set up a scoped or red-dot configuration for hunting applications that benefit from magnification or fast target acquisition.

Is this barrel suitable for 3-inch shells?

Yes, the barrel is rated for 3-inch shells. It is not compatible with 3.5-inch ammunition, even though it fits the Super X4 3.5 receiver—always use ammunition matching your barrel's chamber marking.