Springfield Armory Echelon 4.0C 18rd 9mm Magazine

The Springfield Armory Echelon 4.0C magazine is an 18-round extended magazine engineered for the Echelon Compact platform. It pairs a stainless steel body with numbered witness holes for quick round counts and an extended polymer basepad to aid reloads. A blacked-out, corrosion-resistant finish protects the magazine during routine range use and carry.

Key Specifications

• Compatible with 9mm caliber.
• Holds 18 rounds capacity.
• Constructed from stainless steel.
• Designed to fit Springfield Echelon Compact pistols.
• Model designation: Echelon 4.0C.
• Includes numbered witness holes for quick round count reference.
• Features an extended polymer basepad to aid reloads.
• Finished with a blacked-out corrosion resistant coating.
• Product type: Magazine.
• Exterior color: Black.

Built for dependable feeding and increased capacity without excessive bulk, this magazine supports extended range sessions and practical carry options. Its tactile basepad and visible witness holes simplify handling and inspection, while the corrosion-resistant finish helps maintain reliable service life in everyday use.