The Tyrant CNC Magazine Extension are designed to increase the ammunition capacity of Springfield Armory Echelon's 15 and 17-round magazines by an additional 5 rounds of 9mm. Each Springfield Armory Echelon magazine extension is CNC machined from T6061 aerospace-grade aluminum. The finishing process involves bead blasting followed by a hardcoat anodize.
| FireArm | No |
| Material | Aluminum |
| Caliber | 9mm |
| Capacity | 5 |
