Springfield EC9900RET Echelon COG Central Operating Group

The Springfield Armory Echelon 9mm Central Operating Group is the serialized foundation of the Echelon pistol platform. This standalone black operating group can be paired with compatible OEM and aftermarket Echelon components. It uses Echelon-pattern magazines and measures 4.3 inches long by 1.9 inches high.

• Serialized Echelon platform operating group
• Made for 9mm Echelon platform with black finish
• Compatible with OEM and aftermarket components

The Central Operating Group is intended for building or reconfiguring an Echelon pistol around a single serialized core. It is suited to users who need a standalone foundation for a compatible Echelon setup.