The Winchester SX4 Cantilever Buck is a 12 Gauge semi-automatic shotgun configured with a fully rifled 22-inch barrel and a 3-inch chamber. It is built with a black synthetic field stock, an aluminum alloy receiver in matte black, and TruGlo fiber-optic front sight with an adjustable rear. The gun includes a Weaver-style cantilever rail to simplify mounting optics or electronic sights.
Key Specifications
- The gauge is 12 Gauge.
- The barrel length is 22 inches and is fully rifled.
- The chamber accepts 3-inch shells.
- The capacity is 4+1.
- The overall length is 43 inches.
- The weight is approximately 7 lb 8 oz.
- The stock material is black synthetic with an Inflex recoil pad.
- The receiver is black aluminum alloy.
- The sights are TruGlo fiber-optic front and adjustable rear.
- Additional feature: Weaver-style cantilever rail for optics.
Designed to work with rifled-barrel slugs and sabots, the SX4 Cantilever Buck pairs an ergonomically improved synthetic stock and recoil-management features with a cantilever optic rail for consistent, sighted shots in field applications. Its combination of a rifled 22-inch barrel, adjustable sights, and optics-ready receiver makes it a practical choice for hunters and shooters who need a configured platform for slug accuracy and repeatable performance.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




