{3 PACK} Springfield Echelon +3 or +5 Magazine Extension – Precision Fit, Maximum Capacity

Upgrade your Springfield Echelon with this +3 or +5 magazine extension, engineered for performance, reliability, and a perfect fit. Designed and 3D printed by Spectre3D, this extension adds up to 3 or 5 additional rounds without sacrificing ergonomics or balance.

Made from high-strength polymer with a focus on durability and precision, this extension installs easily using your factory magazine spring or optional upgraded power spring for enhanced feeding reliability. The design follows the original frame contour for a seamless, OEM-style appearance — not bulky, not gimmicky, just clean function and professional form.

Whether you’re at the range or using your Echelon for duty or defense, this extension gives you the edge in capacity and control you’re looking for.

Features:

• Adds +3 or +5 rounds (depending on the option you choose) to your Springfield Echelon magazine

• Precision-engineered for perfect fit and reliable performance

• Works with factory or upgraded power springs

• Lightweight, durable high-strength polymer construction

• Maintains factory-style contour and ergonomics

• Made in the USA by Spectre3D

• You will receive 3 extensions per order!

Compatibility:
✔ Springfield Armory Echelon magazines (factory 17-round)
❌ Not compatible with other Springfield models