The RMU Mount by Reptilia is a lightweight, slim-line solution manufactured at the request of a DoD customer, designed to lift a variety of fixed-height optics with lower 1/3 co-witness heightssuch as EOTech holographic optics, Vortex Optics AMG UH-1, and Sig Optics ROMEO8Tto an elevated height for more ergonomic use with helmet-borne night vision or a more upright shooting stance. CNC machined from billet 7075-T6 aluminum and finished in mil-spec Type III hard anodize, this 9-slot, black Mil-Spec 1913 Picatinny rail mount attaches securely to any standard M1913 rail and increases sighting height by 0.625 inches, offering optimal aiming placement. A spring-loaded nitride steel clamp and mounting bolt provide straightforward installation and a flush, low-profile anti-snag design that sits tight against the mount body. The RMU Mount blends rugged durability with a streamlined silhouette, delivering repeatable accuracy and versatile compatibility across a range of optics while preserving a clean, unobtrusive profile on modern platforms.