Echelon 4.0C
Factory Variable Interface System configuration.
Source-backed record
Research record; not firsthand tested.
13 documented specifications, source references, and verification dates are present. Mounting paths are reviewed separately.
pistol
Weight: 24.0 oz with flush magazine
Dimensions: 7.25 × 1.2 × 5.125 in
Compatibility: Springfield Variable Interface System
Not listed
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Factory Variable Interface System configuration.
Specifications
| Frame | Polymer compact grip module |
|---|---|
| Slide | Billet machined, Melonite finish, optics ready |
| Action | Striker-fired |
| Barrel | Hammer-forged steel, Melonite finish, 1:10 twist |
| Sights | Tritium/luminescent front; Tactical Rack U-Dot rear |
| Caliber | 9 mm |
| Capacity | 15+1; 18+1 with extended magazine |
| Controls | Fully ambidextrous |
| Barrel length | 4.0 in |
| Recoil system | Captive |
| Accessory rail | Three-slot Picatinny rail |
| Operating group | Serialized Central Operating Group |
| Optics interface | Variable Interface System direct-mount pin system |
Sources and verification
- Manufacturer product page
- Specification source — checked July 23, 2026