Winchester SX4 Cantilever Buck Barrel 12 Gauge 20 in Matte Blued. You can do so in a number of different ways: by trading the traditional open web rib section to fit flush with the receiver; an angled or straight cut rifled floorplate; a comfort grip; or as a cantilever type to fit over a stubby shotgun frame to add additional length. However the most practical and versatile way to replace a shotgun barrel is to use one that is an aftermarket rebarb. Winchester-manufactured Cantilever style shotgun barrels provide the extra length needed to shoot longer distances with little or no choke tube interference. They must be set on a strong true breech system that eliminates any slack that may cause knock-off rounds. A poor choice when you need an elongated and highly functional shotgun barrel. Specifications for Winchester SX4 Cantilever Buck Barrel: Manufacturer: Winchester Color: Blue Finish: Matte Barrel Length: 22 in Additional Features: Fully Rifled Maximum Chamber Size - 3in Package Contents: Winchester SX4 Cantilever Buck Barrel The Winchester Win Barrel Super-x 4 12ga. 3" 22" Cantilever W/blk Syn F-end is a quality addition to the Winchester lineup. For more great deals on Shotgun Barrels by Winchester please browse our Winchester Gun Parts page. Winchester Win Barrel Super-X 4 12ga. 3'' 22'' Cantilever W/blk Syn F-end