Springfield Armory engineers this extended magazine (part no. EC6018C) for the Echelon 4.0C, holding 18 rounds of 9mm Luger in a stainless steel body built with numbered witness holes down the spine for a quick visual round count. An extended polymer basepad aids tactical reloads by giving the shooting hand more to grab during a fast magazine change, while a blacked-out corrosion-resistant coating protects the body for the long haul. As a genuine factory magazine, it seats and feeds exactly as the Echelon 4.0C’s engineers intended. For Springfield Armory Echelon 4.0C owners, this handgun magazine is a dependable capacity upgrade.

Key Specifications

• Chambered in 9mm Luger, matching the Echelon 4.0C’s factory caliber.
• Holds 18 rounds, an extended capacity for the platform.
• Fits the Springfield Armory Echelon 4.0C as a factory-spec magazine.
• Built from stainless steel with numbered witness holes for a quick round count.
• Features an extended polymer basepad to aid tactical reloads.
• Finished with a blacked-out corrosion-resistant coating for long-term durability.

Frequently Asked Questions

What do the witness holes do? Numbered holes along the magazine body let the shooter check the remaining round count at a glance.

What does the extended basepad help with? It gives the shooting hand more surface to grip during a fast tactical reload.

Buy the Springfield Armory Echelon 4.0C 18-Round 9mm Magazine

An 18-round factory magazine keeps an Echelon 4.0C topped off with rounds to spare. Order it from our Lubbock, Texas gun shop for fast, insured shipping.