The Winchester SX4 is a semi-automatic shotgun chambered in 12-gauge with a 3" chamber. It weighs just 6 lbs -- light for a semi-auto -- and the 18.50" barrel keeps overall length to 39.50". The Flat Dark Earth finish gives it a practical outdoor look that resists showing wear in the field. 
 

Key Specifications 

• SKU: 2024003422 
• UPC: 048702026430 
• Brand: Winchester 
• Model Name: SX4 
• MPN: 511319395 
• Chamber: 3" 
• Action: Semi-Auto 
• Capacity: 5 (2 3/4" Shells) 
• Barrel Length: 18.50" 
• Overall Length: 39.50" 
• Weight: 6 lbs 
• Sights: LPA Front / Ghost Ring Rear 
• Stock Type: Fixed with Pistol Grip 
• Grip Type: Standard 
• Trigger Type: Standard 
• Safety Mechanism: Crossbolt 
• Finish Color: Flat Dark Earth 
• Condition: New in Box 
   

Features 

The semi-auto action cycles quickly between shots and handles a range of 2 3/4" loads reliably. The ghost ring rear paired with LPA front sight gives you a fast, usable sight picture without mounting optics -- good for moving targets at practical ranges. 
 
At 6 lbs, it's easy to carry all day through brush. The fixed pistol grip stock helps control muzzle rise on rapid follow-ups. Crossbolt safety is straightforward to operate under pressure. 
 

Usage 

The SX4 FDE works well for hunters who cover a lot of ground on foot, since the light weight doesn't wear on you over a long day. The ghost ring sights make it a reasonable home defense option too. Semi-auto action means no manual cycling between shots -- particularly useful when the next target comes up fast.

Users tend to like the SX4's versatility -- it transitions easily between hunting and range use without needing a dedicated setup for each. The semi-auto action draws consistent positive feedback for smooth, reliable cycling.

The FDE finish gets called out as both good-looking and practical for outdoor use. The stock and grip feel comfortable to most users, contributing to longer shooting sessions without fatigue.

Some users mention occasional feeding hiccups with specific ammunition types or in extreme cold, though this appears infrequent. A few shooters would like more aftermarket customization options or accessories.

Overall the SX4 FDE is seen as a dependable semi-auto that handles a range of situations without being specialized for any one of them.