Springfield Echelon 4.0C vs. 4.5F Custom Slide, Barrel & Cerakote Guide

Springfield Armory's modular Central Operating Group (COG) makes the Echelon one of the most versatile striker-fired platforms on the market. Fdez Werx machines dedicated custom slides for both the 4.0" Compact and 4.5" Full-Size Echelon models so you can build an enhanced carry or duty upper with aggressive serrations, window cuts, and in-house Cerakote finishes.

1. Echelon 4.0" Compact vs. 4.5" Full-Size Slide Specifications

• FDEZ Echelon 4.0 Slide (Compact): Engineered for Springfield Echelon 4.0C internals, 4.0" barrel, and compact recoil spring assembly. Ideal for concealed carry and compact/full-size grip crossover builds.
• FDEZ Echelon 4.5 Slide (Full-Size): Engineered for Springfield Echelon 4.5F internals, 4.5" barrel, and full-size recoil spring assembly. Pair it with the FDEZ Werx Echelon Non-LCI 4.5" Full-Size Barrel for a match-grade, non-loaded-chamber-indicator barrel upgrade.

2. Direct-Mount Optics & Factory Internals Transfer

Both Fdez Werx Echelon slides accept your factory Springfield Echelon striker, extractor, backplate, and sight hardware without modification, and support direct optic mounting so your red dot sits low for natural co-witnessing.

3. In-House H-Series, 2-Tone Polished & Multicam Camo Cerakote

Every Echelon 4.0 and Echelon 4.5 slide can be ordered in any of our 15 Single-Color H-Series Cerakote options (included in base price), upgraded with 2-Tone Polished Sides (+$40), or finished in any of our 13 Multicam, Woodland, Desert, or Tiger Stripe Camo patterns (+$75) applied in-house in Concord, NC.

Browse all Springfield Echelon Slides and Echelon Barrels.