The Springfield Armory Echelon 4.0C is a compact 9mm Luger semi-automatic pistol with a threaded barrel and optic-ready cut. It ships with both 15-round and 18-round magazines and has 3-dot tritium sights. The finish is black throughout. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: Echelon 4.0C 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 15+1 / 18+1 rounds 
• Barrel Length: 4.7 in 
• Color/Finish: Black 
   

Detailed Features 

• Threaded barrel for suppressor or muzzle device attachment 
• Optic-ready slide cut 
• 3-dot tritium night sights 
• Includes both 15-round and 18-round magazines 
• Compact 4.0C configuration

Owners of the Springfield Armory Echelon 4.0C Threaded appreciate getting tritium sights and two magazine capacities in the box. The threaded barrel and optic-ready cut make it a practical starting point for a suppressor host or optic build without extra spending upfront.

The trigger on the Echelon draws mixed commentary. Many shooters find the stock trigger clean with a short reset, while others note some take-up before the break. Grip texture and overall ergonomics get more consistent praise, with the compact frame filling the hand well for a mid-size pistol.

Springfield Armory's customer service reputation is a frequent factor in purchase decisions for this pistol. Those who have had warranty interactions report positive experiences. The platform is newer than some competitors, so the long-term track record and aftermarket parts availability are still being established in the community.