Winchester’s SX4 Waterfowl Hunter in 20 Gauge pairs a 26-inch barrel with a 3-inch chamber, and this version is finished in Woodland (Winchester part no. 511289691). Winchester uses a gas-operated autoloader with the self-adjusting Active Valve system here, and the shotgun ships with three Invector-Plus chokes. Magazine capacity is 4 rounds of 2-3/4-inch shells, and the listed weight is 6 pounds 10 ounces.

Key Specifications

• The gauge is 20 Gauge, with a 3-inch chamber.
• The barrel is 26 inches long.
• Magazine capacity is 4 rounds of 2-3/4-inch shells in a tubular magazine, per Winchester’s specification table.
• The shotgun weighs 6 pounds 10 ounces with a 47-inch overall length.
• The composite stock and forearm carry a full-coverage Woodland camouflage finish, with the receiver and barrel finished to match.
• Three Invector-Plus flush chokes (Full, Modified and Improved Cylinder) are included.
• The front sight is a TRUGLO fiber-optic bead for a quick sight picture.
• Length of pull is 14-1/4 inches.
• A Winchester Inflex recoil pad is fitted.

Frequently Asked Questions

What finish does it have? The composite stock and forearm carry a full-coverage Woodland camouflage finish, with the receiver and barrel finished to match.

How many rounds does the magazine hold? Winchester lists 4 rounds of 2-3/4-inch shells for this model.

Is the safety reversible? Yes. Winchester lists a reversible crossbolt safety on the Super X4.

Buy the Winchester SX4 Waterfowl Hunter 20 Gauge Shotgun, 3-Inch Chamber, 26-Inch, Woodland, 4-Round

A 26-inch 20 gauge with a 3-inch chamber is the setup Winchester lists for this item number. Our Lubbock, Texas gun shop ships it with fast, insured delivery to your FFL, and you can browse the rest of our semi-auto shotguns next.