The Springfield Armory Echelon 4.0 FC Frame is a compact 9mm semi-automatic pistol configured with a 4-inch barrel and 18+1 capacity. Its removable serialized chassis system supports modular grip-frame configurations, while the textured polymer grip provides a secure hold. This package includes a factory-installed Aimpoint COA red dot optic for rapid target acquisition and is built with an integral trigger safety for consistent everyday handling.

Key features

• Compact 4-inch barrel balances handling and shootability
• 18+1 capacity provides ample onboard ammunition
• Removable serialized chassis enables modular configuration options
• Factory-installed Aimpoint COA red dot supports quick target acquisition
• Textured polymer grip promotes secure control
• Integral trigger safety helps prevent unintended discharge

The Echelon 4.0 FC Frame combines a compact profile, modular design, practical capacity, and an included Aimpoint COA optic in one ready-to-use 9mm pistol.