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Trijicon
The Trijicon MRO Lower 1/3 Co-Witness Mount in black is a precision mounting solution engineered to position your MRO optic at the ideal height for AR-15 platform rifles. Unlike generic mounting hardware, Trijicon's lower third mount is purpose-built to let your backup iron sights co-witness in the lower portion of the optic's window—keeping BUIS visible without interfering with your red dot sight picture. This matters in the field: you get redundancy without obstruction, and the confidence that comes from truly integrated backup sights.
The lower 1/3 height sits between Trijicon's full co-witness and absolute co-witness options, giving you flexibility to match your specific setup and shooting style. Whether you're building a duty rifle, a 3-gun competition gun, or a reliable hunting platform, the right mount height transforms how naturally the gun points and how quickly you can transition between your primary optic and iron backup. Trijicon's mount holds zero—the engineering is transparent; the job is to stay out of the way.
Black anodized aluminum construction withstands field conditions and integrates cleanly with modern rifle builds. This mount is the foundation of a properly coordinated optics system—it's not the optic itself, but without it, you're leaving precision and reliability on the table.
Yes. The Trijicon MRO Lower 1/3 Co-Witness Mount is engineered for AR-15 platform rifles and positions your MRO so backup iron sights co-witness in the lower portion of the optic's window, keeping them visible and usable without blocking your red dot.
Lower 1/3 mounts position the optic lower than full co-witness setups, allowing your BUIS to appear in the lower third of the optic's viewing area rather than centered. This gives you backup sight redundancy while keeping more of the optic's window clear for your primary aiming point.
This mount is designed specifically for the Trijicon MRO optic. For compatibility with other optics, consult the manufacturer or contact us for guidance on your specific setup.
Trijicon
The Trijicon MRO Lower 1/3 Co-Witness Mount in black is a precision mounting solution engineered to position your MRO optic at the ideal height for AR-15 platform rifles. Unlike generic mounting hardware, Trijicon's lower third mount is purpose-built to let your backup iron sights co-witness in the lower portion of the optic's window—keeping BUIS visible without interfering with your red dot sight picture. This matters in the field: you get redundancy without obstruction, and the confidence that comes from truly integrated backup sights.
The lower 1/3 height sits between Trijicon's full co-witness and absolute co-witness options, giving you flexibility to match your specific setup and shooting style. Whether you're building a duty rifle, a 3-gun competition gun, or a reliable hunting platform, the right mount height transforms how naturally the gun points and how quickly you can transition between your primary optic and iron backup. Trijicon's mount holds zero—the engineering is transparent; the job is to stay out of the way.
Black anodized aluminum construction withstands field conditions and integrates cleanly with modern rifle builds. This mount is the foundation of a properly coordinated optics system—it's not the optic itself, but without it, you're leaving precision and reliability on the table.
Yes. The Trijicon MRO Lower 1/3 Co-Witness Mount is engineered for AR-15 platform rifles and positions your MRO so backup iron sights co-witness in the lower portion of the optic's window, keeping them visible and usable without blocking your red dot.
Lower 1/3 mounts position the optic lower than full co-witness setups, allowing your BUIS to appear in the lower third of the optic's viewing area rather than centered. This gives you backup sight redundancy while keeping more of the optic's window clear for your primary aiming point.
This mount is designed specifically for the Trijicon MRO optic. For compatibility with other optics, consult the manufacturer or contact us for guidance on your specific setup.
