Springfield Armory Echelon 4.0C 9mm Magazine Set (5 Total) - Four 18-Round + One 15-Round
This five-magazine bundle includes OEM Springfield Armory magazines for the Echelon 4.0C in 9mm Luger, with a mix of carry-length and extended-capacity options.
The 15-round magazine is a flush-fitting 4.0C compact magazine with numbered witness holes, stainless-steel construction, and a blacked-out coating for scratch and wear resistance. The 18-round magazines are extended 4.0C compact magazines featuring numbered witness holes, stainless-steel construction, an extended polymer basepad, and a blacked-out corrosion resistant coating.