The EOTech EXPS3-4 Holographic Weapon Sight is a compact, quick-detach optic designed for advanced targeting and night-vision compatibility. Featuring EOTech’s quad-dot ballistic reticle, which includes a 1 MOA center dot, a 68 MOA ring, and three additional 1 MOA dots for bullet-drop compensation, the EXPS3-4 enables precise holdovers for extended-range engagements. Dedicated night-vision brightness settings allow seamless use with compatible NV devices, while the integrated QD lever mount positions the optic at a lower 1/3 co-witness height, ideal for use with backup iron sights and magnifiers. Powered by a single CR123 lithium battery in a transverse configuration, the EXPS3-4 conserves rail space and delivers reliable performance in a rugged, submersible housing.
Key Attributes
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Brand: EOTech
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Product Name: EXPS3-4 Holographic Weapon Sight
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Model: EXPS3-4
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MPN: EXPS3-4
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Condition: New
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Product Type: Holographic Weapon Sight
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Magnification: 1×
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Reticle Type: Quad-Dot BDC (1 MOA Center Dot, 68 MOA Ring, Additional 1 MOA Holdover Dots)
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Reticle Color: Red
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Illumination Technology: Holographic
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Night Vision Compatibility: Yes (dedicated NV brightness settings)
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Brightness Settings: 20 daylight + 10 night-vision compatible levels
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Power Source: Single CR123 Lithium Battery
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Battery Orientation: Transverse mounted
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Battery Life: Up to ~600 hours at nominal brightness
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Mounting Interface: Integrated Quick-Detach Picatinny / Weaver Mount
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Co-Witness Height: Lower 1/3 co-witness
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Eye Relief: Unlimited
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Parallax: Parallax-free
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Housing Material: Aluminum
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Water Resistance: Submersible up to 33 ft (10 m)
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Shock Resistance: Recoil and impact resistant
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Finish: Matte Black
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Country of Manufacture: USA
