The Smith & Wesson CSX E-Series is a micro-compact 9mm Luger semi-automatic pistol with a 3.1-inch barrel and 10+1 round capacity. It has an optic-ready slide, 3-dot sights, a thumb safety, and ships with two 10-round magazines. 
 

Key Specifications 

• Brand: Smith & Wesson 
• Model: CSX E-Series 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 3.1 in 
• Color/Finish: Black 
   

Detailed Features 

• Micro-compact frame with a 3.1-inch barrel 
• Optic-ready slide with 3-dot sights 
• Thumb safety included 
• Two 10-round magazines included 
• Armonite Black finish

The Smith & Wesson CSX E-Series with a 3.1-inch barrel is the shorter of the two CSX E-Series configurations and appeals to owners who prioritize a minimal package for concealed carry. The micro-compact frame and reduced barrel length are the primary reasons buyers choose this variant.

Carry comfort gets positive marks in owner feedback. The shorter overall length translates to easier concealment, which is the primary use case for this model. Some owners note that the 3.1-inch barrel increases felt recoil compared to longer configurations, and a portion observe tighter accuracy margins at extended range distances.

The CSX E-Series 3.1 draws the same positive commentary as its sibling for the optic-ready cut, thumb safety, and two included magazines. The Armonite Black finish holds up well in everyday carry use per most owner reports. Trigger feel remains the consistent point of division, with opinions split between acceptable-for-carry and heavier-than-preferred.