The Winchester SX4 Field Compact is a semi-automatic 20-gauge shotgun with a 28-inch barrel, 6.5-lb weight, and a satin oil Turkish walnut stock and forearm. It holds 3 rounds plus one in the chamber. 
 

Key Specifications 

• Caliber: 20 GA 
• Barrel Length: 28 inches 
• Capacity: 3 rounds (plus one in the chamber) 
• Weight: 6.5 lbs 
• Finish: Satin Oil Turkish Walnut Stock and Forearm 
• Manufacturer: Winchester 
• Model Number: SX4 Field Compact 
   

Features 

At 6.5 lbs, the SX4 Field Compact is notably light for a semi-auto shotgun. The satin oil walnut stock has a classic look and the compact dimensions are intentional -- the shorter length of pull fits smaller-framed shooters well. 
 
The Inflex Technology recoil pad absorbs recoil impulse by deflecting the stock down and away from the shooter's face during firing. The Invector Plus choke system lets you swap choke tubes to match different loads or target types. The semi-auto action cycles reliably across a range of 20-gauge loads, and the gas-operated system helps smooth out the felt recoil further.

The SX4 Field Compact is well-liked by smaller-framed shooters -- it comes up frequently in discussions about youth hunting shotguns and guns for people who find standard-length stocks uncomfortable. The light weight and manageable dimensions are the most consistent positives. The walnut stock finish gets favorable mentions for its appearance.

On recoil, opinions split based on load. Most owners find it comfortable with standard 2-3/4" field loads. A handful note it feels snappier than expected with heavier loads, particularly given the light overall weight. The adjustable stock length is highlighted as a practical feature for fitting different shooters.

A recurring minor complaint is limited aftermarket accessory availability for this specific model compared to more common platforms. Overall, the SX4 Compact has a solid reputation as a reliable, light semi-auto that fits well where a full-size shotgun doesn't.