This is the Shield Arms magazine extension for the Springfield Armory Echelon pistol. This extension adds 5 rounds. 

Manufactured from hard-coat adonized aluminum, this extension brings added capacity and durability to your Echelon pistol mags.

If you’re looking for extra capacity for factory Springfield Echelon magazines, look no further than this Shield Arms magazine extension. Try it yourself – pick up a few today!

Compatible:

• Springfield Armory Echelon 17-round magazine

Not Compatible:

• Springfield Armory Echelon 10, 15, & 20-round magazines.
• Aftermarket magazines.

Contents Include:

• Shield Arms +5 magazine extension

Manufactured by Shield Arms in the USA.