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 Eagle Vision has revolutionized airgun suppression with the Sigma series, which features a proprietary, interchangeable internal liner system. Unlike traditional moderators, the Sigma allows you to swap internal air stripper liners to match your specific caliber—from .177 up to 9mm—without opening the moderator. This precision-engineered system ensures that your moderator is always perfectly tuned for the volume of air and projectile diameter of your current rig. Available at Edgun West and Airgun West, the Sigma series is the definitive choice for shooters who demand a future-proof, versatile suppression solution.  

 The Eagle Vision Sigma is built on a foundation of CNC-machined components with extreme tolerances of +/- 0.02. This level of precision eliminates pellet clipping and ensures that your point of impact remains consistent across various platforms. The unique dual-chamber design, pre-wrapped with ballistic fiber felt and stainless steel mesh, delivers world-class decibel reduction while providing a stunning aesthetic.  

As a premier partner for Eagle Vision optics and accessories, Edgun West and Airgun West stock the full range of Sigma silencer kits. Whether you need the standard M41 or the larger M46, we provide the caliber-specific liners and interchangeable thread adapters (including 1/2 UNF, M14, and M18) required to integrate this elite moderator into your shooting system. Experience the versatility of a single moderator that evolves with your collection