The Springfield Armory Echelon 4.0C is a compact semi-automatic pistol chambered in 9mm Luger with a 4-inch barrel. It is optics-ready and ships with a compensated slide plus tritium U-Dot sights. Capacity is 10+1 rounds with a polymer frame in black. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: Echelon 4.0C 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 10+1 rounds 
• Barrel Length: 4 in 
• Finish: Black 
   

Detailed Features 

• Optics-ready slide (factory cut) 
• Integrated compensator on the slide 
• Tritium U-Dot front and rear sights 
• Polymer frame 
• 10+1 round capacity

The Echelon 4.0C gets attention for combining an optic cut with a compensated slide in a factory package. Owners who prioritize getting a red dot on quickly find the setup practical. The tritium U-Dot sights also work as a backup, which is a detail that earns consistent mention.

Feedback on the compensator is divided. Owners who run it suppressed or in low-light settings find the muzzle flash and comp ports less ideal, while those using it at the range for controlled follow-up shots tend to appreciate the reduced muzzle rise. The 4-inch barrel keeps the overall package compact without giving up much velocity.

Springfield Armory's Echelon line has been received as a competitive option among compact striker-fired pistols. Some buyers note that a 10-round capacity is a compromise if their state allows higher capacity, but those shopping within that constraint see the Echelon 4.0C as a well-specified package for the price.