The Winchester SX4 Waterfowl Hunter is a pump-action 12 Gauge shotgun with a 3.5-inch chamber and a 26-inch vent rib barrel, finished in Mossy Oak Original Shadow Grass for waterfowl cover. It has an aluminum alloy receiver and a chrome moly steel barrel, and comes set up with three interchangeable Invector-Plus choke tubes. 
 

Key Specifications 

• Brand: Winchester Repeating Arms 
• Model: SX4 Waterfowl 
• Gauge: 12 Gauge 
• Action: Pump Action 
• Capacity: 4+1 
• Chamber: 3.5 in 
• Barrel Length: 26 in 
• Overall Length: 47 in 
• Weight: 7 lbs 
• Receiver Material: Aluminum Alloy 
• Finish: Mossy Oak Original Shadow Grass 
   

Detailed Features 

• Includes Full, Improved Modified, and Modified Invector-Plus choke tubes for adjusting pattern to range. 
• TruGlo fiber-optic sight on the vent rib barrel speeds up target acquisition in low light. 
• Crossbolt safety and a drop-out trigger group allow the fire control to be pulled for cleaning. 
• Length of pull is 14.25 inches, with stock drop of 1-3/4 inches at the comb and 2 inches at the heel. 
• Chrome moly steel barrel and aluminum alloy receiver keep the overall weight to 7 pounds.

Pump guns in the SX4 Waterfowl line attract hunters who want a straightforward action that keeps running in mud, sand, and standing water without the maintenance a gas gun needs. Owners generally describe the pump cycling as reliable, and the crossbolt safety is a familiar, no-fuss design that longtime pump-gun shooters like.

In the field, the balance of the 26-inch barrel and aluminum receiver is called manageable for a day of decoy work, and the drop-out trigger group is appreciated for making cleanup after a wet hunt easier. The Mossy Oak Original Shadow Grass finish is well liked for blending into flooded timber and marsh cover, though like any camo dip finish it shows wear with heavy use over time.

On value, the three included Invector-Plus chokes are seen as a good starting point without extra purchases, and owners weigh this model against Winchester's semi-auto SX4 line depending on whether they prioritize simplicity and lower maintenance over faster follow-up shots.