The Echelon 4.0C pairs a compact, concealment-focused grip with impressive capacity—15+1 with the flush magazine and 18+1 with the extended—making it a true everyday carry crossover. It comes factory-equipped with the enclosed-emitter Aimpoint COA, whose sealed design resists moisture and debris while mounting low via the VIS system for faster dot acquisition and improved co-witness. The Variable Interface System™ uses self-locking pins for direct-mount optic compatibility, reducing stack height and enhancing durability under recoil. At its core, the serialized Central Operating Group™ stainless steel chassis delivers structural rigidity and modular adaptability, while fully ambidextrous controls and tritium U-Dot™ backup sights ensure intuitive operation and reliable low-light performance.
Specifications:
- Caliber: 9mm
- Barrel Length: 4"
- Optic: Aimpoint COA (factory mounted)
- Optics System: Variable Interface System™ (VIS)
- Chassis: Central Operating Group™ serialized stainless steel chassis
- Frame: Compact polymer module
- Sights: Tritium/Luminescent U-Dot™
- Controls: Fully ambidextrous
- Finish: Black
- Magazines Included: 1-15rd & 1-18rd



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