
Availability: In Stock
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.
| Platform | Springfield Armory Echelon |
| Caliber | 9mm |
| Capacity Increase | 5 rounds |
| Compatible Magazines | Fits 15-round and 17-round Echelon magazines |
| Material | T6061 aerospace-grade aluminum |
| Finish | Bead-blasted hardcoat anodize |
| Installation | Tool-free |
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.
No. The extension installs and removes tool-free, making it quick and easy to swap or adjust on the fly.
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.
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.

SKU: 167512946 • Width: 3in • Height: 1.5in • Depth: 10.7in • Weight: 0.13oz





Availability: In Stock
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.
| Platform | Springfield Armory Echelon |
| Caliber | 9mm |
| Capacity Increase | 5 rounds |
| Compatible Magazines | Fits 15-round and 17-round Echelon magazines |
| Material | T6061 aerospace-grade aluminum |
| Finish | Bead-blasted hardcoat anodize |
| Installation | Tool-free |
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.
No. The extension installs and removes tool-free, making it quick and easy to swap or adjust on the fly.
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.
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.
SKU: 167512946 • Width: 3in • Height: 1.5in • Depth: 10.7in • Weight: 0.13oz
