Black ESS Gray Replacement Frame for Crossbow glasses (# 740-0446) - New

Black ESS Crossbow Replacement Frame – New

Restore your premium eye protection with the authentic ESS Crossbow® Replacement Frame. As the backbone of the Crossbow® Tri-Tech Fit™ system, this frame is engineered to provide a universal, pressure-free fit that eliminates "hot spots" often found in standard wrap-around ballistic eyewear. Designed for the elite requirements of the U.S. Military, this frame is fully compatible with all Crossbow® series lenses, including Clear, Smoke Gray, Hi-Def Yellow, and Polarized options.

Constructed from high-impact, chemical-resistant polymer, the Crossbow frame features the innovative DedBolt™ Lens Lock system. This mechanism provides a rock-solid lens retention interface that makes swapping lenses fast and easy while ensuring they remain securely seated even during high-velocity impacts. Finished in a professional Black matte, this NSN 4240-01-583-5973 component is the definitive choice for tactical operators, range shooters, and outdoor professionals who demand modularity and mission-ready durability.

Technical Specifications & Features

• NSN: 4240-01-583-5973
• Part Number: 740-0446
• Condition: New (Unissued)
• Color: Black
• Technology: Tri-Tech Fit™ for a secure, comfortable, and pressure-free ergonomic fit
• Lens Interface: DedBolt™ Lens Lock for rapid lens exchange and maximum impact security
• Compatibility: Fully compatible with ESS Crossbow® lenses and the ESS Vice™ Rx Insert
• Protection Standards: Meets or exceeds U.S. MIL SPEC MIL-PRF-32432, ANSI Z87.1-2015, and CE EN 166 (when paired with compliant lenses)
• Note: This listing is for the Frame Only (Lenses and nosepiece sold separately)
• Authenticity: Genuine U.S. Military Surplus / Manufactured by ESS (Eye Safety Systems)

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