The Winchester SX4 Compact is a 12-gauge semi-automatic shotgun with a 28-inch barrel, matte black finish, TruGlo fiber optic front sight, and a 13-inch length of pull. It weighs 6 lbs 12 oz and measures 47.75 inches overall, chambering 3-inch shells at 4+1 capacity. 
 

Key Specifications 

• Brand: Winchester 
• Model: SX4 Compact 
• UPC: 048702016820 
• Gauge: 12 GA 
• Action: Semi-Automatic 
• Capacity: 4+1 rounds 
• Barrel Length: 28 inches 
• Overall Length: 47.75 inches 
• Weight: 6 lbs. 12 oz. 
• Sights: TruGlo Fiber Optic Front Sight 
• Chamber Size: 3 inches 
• Finish: Matte Black 
   

Detailed Features 

The gas-operated action cycles reliably on a wide range of loads and keeps felt recoil manageable. The Inflex recoil pad takes the edge off further, useful for high-volume shooting sessions. Textured gripping panels on the stock and fore-end help with control in wet conditions. The Invector Plus choke system is included, letting you tailor the shot pattern for different game or shooting disciplines. At 6 lbs 12 oz with a 13-inch LOP, this is genuinely a compact-framed shotgun, not just a marketing term. 
 

Target Audience 

The SX4 Compact suits smaller-framed adults and youth who want a full 12-gauge semi-auto without the stock being too long. It also works for hunters who prefer a lighter carry gun for upland or waterfowl. 
 

Usage Scenarios 

• Upland game hunting: light weight and semi-auto follow-up shots 
• Waterfowl: 3-inch chamber accepts standard waterfowl loads 
• Sport shooting: fiber optic sight and quick cycling for clay courses

Owners consistently point to the SX4 Compact's lightweight build and comfortable length of pull as the things that made them buy it over a standard-sized shotgun. The 13-inch LOP fits smaller-framed shooters without aftermarket modification.

The semi-auto action gets good marks for reliability across light target loads and heavier hunting shells. A minority of owners have noted occasional cycling issues with very light loads, though most report this resolves with proper maintenance or breaking in the gun.

Recoil is noted as manageable for a 12-gauge, which the Inflex pad helps with. The matte black finish is durable and practical. Overall the SX4 Compact is viewed positively as a capable field shotgun that fits people the standard-length version doesn't.