This is the Tyrant CNC Springfield Echelon +5 magazine extension. 

Are you looking to maximize the capacity of your Springfield Echelon? If so, look no further than this +5 magazine extension from Tyrant CNC!

CNC machined to exact specifications, this aerospace-grade aluminum extension will take your 15 and 17-round Springfield Echelon magazines to the next level from a durability and aesthetics perspective. 

Installed within seconds and without any tools, you’ll wonder why you didn’t grab one sooner. A new 10% power spring (110% stronger than OEM) is included to ensure reliability, proving that Tyrant CNC has thought of everything. 

Whether your Echelon is dedicated to competitions, home defense, or concealed carry, an extra five rounds never hurts! 

Note: It does not fit 10-round magazines. 

Don’t wait any longer – order your extensions today!