The Winchester SX4 Compact is a semi-automatic shotgun chambered in 20 gauge with a 26-inch barrel, an overall length of 45.75 inches, and a weight of 6 lbs 6 oz. The 3-inch chamber handles the full range of standard 20-gauge loads. It ships in a matte black finish with a composite stock and textured gripping panels. 
 

Key Specifications 

• Manufacturer: Winchester 
• Model: SX4 Compact 
• Type: Semi-Automatic Shotgun 
• Caliber/Gauge: 20 GA 
• Barrel Length: 26 inches 
• Capacity: 4 rounds (2-3/4" shells) 
• Weight: 6 lbs 6 oz (102.4 oz) 
• Overall Length: 45.75 inches 
• Chamber Size: 3 inches 
• Finish Color: Matte Black 
   

Detailed Features 

The gas-operated semi-auto action cycles quickly and spreads recoil energy across the operating cycle rather than dumping it all into your shoulder. The fiber optic front sight picks up target lines fast in low light. Winchester's Invector Plus choke system has a wide aftermarket, so adjusting your pattern for different game or clay disciplines is easy. The Inflex technology recoil pad further reduces felt recoil at the stock. The composite stock is dimensioned for smaller-framed shooters, which is part of why the Compact designation exists. 
 

Usage Scenarios 

At 6 lbs 6 oz, the SX4 Compact is easy to carry through brush when hunting upland birds or small game. The 20-gauge chambering produces less recoil than a 12-gauge equivalent, which makes it a natural fit for new shooters or anyone sensitive to recoil. It handles sporting clays well too, though most competitive clay shooters eventually move to heavier guns for the weight advantage.

Owners of the SX4 Compact 20GA generally point to the lightweight build and compact dimensions as the main reasons they chose it, particularly buyers who found full-size 12-gauge shotguns uncomfortable. The balance gets consistent praise, and most describe handling as natural during extended sessions.

Reliability is a strong point in user reports. The SX4 cycles light target loads and heavier hunting loads without much fuss, which adds to its appeal as an all-around gun. The matte black finish holds up well according to most owners.

Price is the main sticking point. Some buyers feel there are cheaper options in the semi-auto 20-gauge category that deliver similar performance. A smaller number of users note that the ergonomics are not ideal for every body type, though the compact dimensions work well for their intended audience.

Overall reception is positive. The SX4 Compact earns good marks for reliability and fit among shooters it was designed for.