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Customer Reviews
Helpful Positive Review
Echelon 4.5 Icarus by Spookygunner, Verified Owner, July 18, 2025
Great magazine base pad, fit is tight, no set screw like another brand. Has a small spring loaded dimple to keep it securely in place. Only issue, does NOT fit if you are running the Icarus precision ACE grip with their magwell. Solid product otherwi...
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1/1 found this helpful
Helpful Negative Review
Terrible customer service by Fern, February 20, 2026
Mag base constantly falls apart. Company’s customer service refuses to honor their warranty.
1/1 found this helpful
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Product Info for Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension

The Tyrant CNC Magazine Extension, or also known as base pads, are expertly designed to increase the ammunition capacity of Springfield Armory Echelon's 15 and 17-round magazines by an additional 5 rounds of 9mm. This enhancement is crucial for users seeking increased capacity without compromising the firearm's reliability and performance. Each Springfield Armory Echelon magazine extension is CNC machined from T6061 aerospace-grade aluminum, a material chosen for its optimal balance of strength and lightweight properties. This level of precision in machining ensures a perfect fit and function with the Springfield Echelon models.image

The finishing process involves bead blasting followed by a hardcoat anodize, providing not only a durable surface resistant to wear and tear but also an aesthetic appeal. This finish is consistent with the high-quality standards set by Tyrant CNC and complements the overall look of the firearm. A standout feature of our Echelon magazine extension is its tool-less installation and removal capability, a significant advancement over other market options that often require tools and are prone to disassembly upon impact. This design aspect emphasizes ease of use and maintenance, appealing to a wide range of users

Specifications for Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension:

Manufacturer: Tyrant CNC
Fabric/Material: Aerospace Grade Aluminum
Caliber: 9mm Luger
Gun Make: Springfield Armory
Gun Model: Springfield Armory Echelon
Condition: New

Package Contents:

  • Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension

Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension Orderable Models

List of Orderable Models

  • Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension, Gold, TD-ECHEMAGEX17-GOLD-5RD , MPN: 764046031243-5RD , UPC: 764046031243 , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-GOLD-5RD
  • Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension, Grey, TD-ECHEMAGEX17-GREY-5RD , MPN: 764046031212-5RD , UPC: 764046031212 , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-GREY-5RD
  • Tyrant CNC Springfield Armory Echelon Magazine Extension, 5 Rounds, Red, TD-ECHEMAGEX17-RED , MPN: TD-ECHEMAGEX17-RED , UPC: 764046031205 , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-RED-5RD
  • Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension, Black, TD-ECHEMAGEX17-BLK-5RD , MPN: 764046031199-5RD , UPC: 764046031199 , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-BLK-5RD

Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Tyrant CNC Springfield Armory Echelon 5-Round Magazine Extension, Black, TD-ECHEMAGEX17-BLK-5RD , MPN: 764046031199-5RD-EDEMO , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-BLK-5RD-EDEMO-US-B
  • Tyrant CNC Springfield Armory Echelon Magazine Extension, 5 Rounds, Silver, TD-ECHEMAGEX17-ALU , MPN: TD-ECHEMAGEX17-ALU , UPC: 764046031236 , Code: 2DD-PME-SP01-TD-ECHEMAGEX17-ALU-5RD
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