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HANDGUNMid-Range

Springfield Armory

Springfield Echelon 4.0C Comp

Compact-frame Echelon with 4-inch barrel and integrated compensator; same VIS optic system, COG chassis, and 15/18-round capacity

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Key Highlights

  • Compact-frame Echelon with integrated 4-inch comp barrel
  • VIS optic system mounts 30+ red dots without plates
  • 15/18-round capacity, COG chassis with swappable grip module

Specifications

Price
$748
Weight
1 lb 7.5 oz
Calibers
9mm
Rail Type
picatinny

Capability Profile

0-10 Scale Across 8 Axes

Compatibility Tags

family: handguninterface: picatinny-pistoloptic-mount: rmroptic-mount: 507coptic-mount: 509toptic-mount: acrooptic-mount: dppoptic-mount: epsoptic-mount: shieldframe: springfield-echelonmag-type: springfield-echelon

Overview

The Echelon 4.0C Comp is Springfield's first compensated variant of the Echelon platform, scaled down from the 4.5F duty frame to a Glock 19-class compact and fitted with a one-piece barrel that incorporates an integrated compensator. The comp adds no length to the slide envelope, so Echelon 4.0C holsters generally fit without modification. The 4-inch barrel keeps overall length at 7.5 inches, between a Glock 19 and a Glock 17.

The Variable Interface System (VIS) carries over from the full-size Echelon and mounts 30-plus micro red dots directly to the slide with no adapter plate. Trijicon RMR, RMR HD, SRO, Holosun 407C/507C/508T/509T, Leupold DeltaPoint Pro, Aimpoint ACRO, and Shield RMSc footprints all seat directly. The serialized Central Operating Group (COG) chassis also carries over, so the grip module swaps to small or large without an FFL transfer.

At $748 street ($749 MSRP), the Echelon 4.0C Comp undercuts the SIG P365 X-Macro Comp by roughly $130 while offering a larger grip, full-length rail, more capacity, and the no-plate optic mounting. For shooters who want a duty-grade compensated carry pistol with maximum optic compatibility, the 4.0C Comp is the strongest argument against the P320 X-Carry and Glock 19X comp variants.

Key Features

  • 4.0-inch barrel with integrated one-piece compensator
  • Variable Interface System (VIS) mounts 30+ optics without plate
  • 15+1 standard, 18+1 extended magazines
  • Serialized COG chassis swaps grip modules without FFL
  • Full-length Picatinny accessory rail
  • Adaptive Grip Texture
  • Reversible magazine release
  • Available with optional Aimpoint COA (separate SKU)

Pros

  • +Integrated comp adds no length to slide envelope
  • +VIS mounts 30+ red dots directly without adapter plate
  • +COG chassis swaps grip module size without FFL
  • +Undercuts SIG P365 X-Macro Comp by ~$130 with more capacity
  • +Full-length rail accepts duty-class lights

Cons

  • Aftermarket holster ecosystem still catching up to comp variants
  • Echelon magazines cost more than Glock mags ($45-$55)
  • Comp not suppressor-compatible (no threaded barrel option)
  • Heavier than P365-class subcompacts for IWB carry

Detailed Specifications

caliber
9mm
Barrel Length
4.0 inches (with integrated comp)
Overall Length
7.5 inches
weight
23.5 oz
width
1.2 inches
capacity
15+1 standard / 18+1 extended
trigger
Striker-fired, ~5.0 lb pull
barrel
Hammer-forged with integrated compensator, Melonite finish
sku
EC9409B-U-COMP
msrp
$749

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