Tyrant Cnc Tdechemagex17Blk Mag Ext 9Mm Springfield Echelon 5Rd Alumn

The Tyrant CNC magazine extension for Springfield Armory Echelon is a straightforward way to add five rounds of 9mm capacity to your carry or duty mag without fumbling with tools. If you run a 15- or 17-round Echelon magazine and want more ammunition in the same footprint, this aluminum base pad clips on tool-free and stays put—even after a hard drop. It's the kind of small upgrade that shooters often overlook until they need it on the range or in a critical moment.

Built from T6061 aerospace-grade aluminum, each extension is CNC machined to fit the Echelon platform precisely. The bead-blasted, hardcoat-anodized finish handles daily carry and training abuse without peeling or corroding, and it matches the clean aesthetic of your pistol. The real engineering shows in the details: Tyrant's proprietary 'NoBak' plunger technology keeps the extension locked in place under recoil and impact, while the reinforced spring (10% stiffer than factory spec, with an extra coil) ensures reliable feeding and slide lock-back on the final round.

Installation is literally grab-and-go—no punches, mallets, or specialty tools needed. The solid top and bottom ledges give you positive purchase during mag changes and help break free a stuck magazine. If you're serious about your Echelon's reliability and capacity, this is a no-fuss upgrade.

Key Features

• Tool-free installation and removal
• 'NoBak' plunger technology for secure retention under recoil and drops
• T6061 aerospace-grade aluminum construction
• Bead-blasted, hardcoat-anodized finish
• Reinforced spring with 10% extra power and additional coil for reliable feeding
• Solid ledges aid magazine changes and removal
• Adds 5 rounds of 9mm capacity

Specifications

Frequently Asked Questions

Which Echelon magazines does this extension fit?

The extension fits the 15-round and 17-round Echelon magazines. It does not fit the 10-round magazine. The factory 20-round magazine is a 17-rounder with a 3-round OEM base pad, so this extension is not compatible with it.

Does it require any tools to install?

No. The extension installs and removes tool-free, making it quick and easy to swap or adjust on the fly.

Will the extension stay attached if I drop my magazine?

Yes. The proprietary 'NoBak' plunger technology is designed to keep the extension securely attached even after drops from heights exceeding 10 feet with a fully loaded magazine.

Does the spring inside work with my Echelon's feeding?

Yes. The extension includes a reinforced spring that is 10% stronger than the OEM spring and features an additional coil to ensure consistent feeding and proper slide lock-back on the final round.