The ProMag SPR-A26 is a premium, high-capacity 20-round extended replacement magazine engineered specifically for the Springfield Armory Echelon 9mm pistol. Built for rugged durability and unwavering reliability, the magazine body is constructed from heat-treated high-carbon steel and finished with a corrosion-resistant blue steel/black oxide coating. Inside, a slick, injection-molded polymer follower is paired with an anti-fatigue spring formed from precision-wound chrome silicon wire to ensure exceptionally smooth, reliable ammunition feeding under rapid-fire or high-stress conditions. Designed to mirror original specifications for a seamless lockup, this extended magazine gives you maximum firepower for range training, home defense, or tactical backup. Every magazine is proudly made in the USA.

• 20-Round Magazine.
• Fits Springfield Armory Echelon.
• Heat Treated Steel with Black Oxide Finish.
• Injection Molded Magazine Follower.
• Magazine Spring Formed from Heat Treated Chrome Silicone Wire.