Premium RMSc Enclosed Red Dot Sight — Built for Precision & Versatility
Experience next-level aiming performance with this advanced OSight RMSc Enclosed Red Dot Sight — engineered to deliver a competitive edge in every environment. Designed around a fully sealed optical system and a flexible reticle suite, this compact sight offers unmatched clarity, rugged durability, and intuitive operation whether you’re on the range or in real-world use.
Outstanding Optical Performance
At the heart of this sight is a fully enclosed emitter optic system that protects internal components from dust, moisture, and the elements — ensuring consistent performance even in adverse conditions. The aspherical multicoated lens delivers parallax-free clarity with minimal distortion, giving you a crisp sight picture and rapid target acquisition across the full window.
Customizable Reticle Options
Switch between three reticle configurations — a 2 MOA precision dot, a 32 MOA circle, or a combined dot-and-circle aiming point — empowering you to adapt quickly to close-range engagements or longer precision shots. The reticle system provides an intuitive aiming experience whether you’re dialing in speed or accuracy.
Effortless Power & Controls
This optic features a side-load battery design, allowing you to replace the battery without removing the sight or losing your zero. Combined with long-lasting power and user-friendly controls, this system keeps you firing with minimal downtime.
Note: Some models in the OSight lineup also include a magnetic charging cover with real-time battery level display and rechargeable battery options, offering up to three full charges with a rapid 1.5-hour cycle.
Flexible Brightness for Any Lighting
With multiple brightness settings — including options tailored for daylight and night vision use — you can fine-tune the reticle’s intensity to suit changing light conditions. Some versions even feature auto-adjusting light sensors so that your reticle remains clear without constant tweaking.
Seamless Mounting & Low Profile Design
Engineered with a standard RMSc footprint, this micro red dot mounts directly to optics-ready slides on a wide range of pistols without adapters. Its low-deck height allows for co-witnessing with most factory iron sights, adding versatility to your setup and preserving a sleek, snag-free profile.
Rugged Construction
Built from durable materials with a hard-anodized finish, this sight is lightweight yet tough enough to withstand recoil, rough handling, and everyday wear. The fully sealed enclosure enhances environmental resistance so you can depend on it whether you’re shooting in rain, dust, or heat.
Key Features at a Glance
-
Fully sealed enclosed emitter optic for maximum environmental protection
-
Aspherical parallax-free lens for distortion-free sight picture
-
3-mode reticle system: 2 MOA dot, 32 MOA circle, or combined reticle
-
Side-load battery access for quick replacements without losing zero
-
Multiple brightness settings with daylight and night-vision compatibility on select models
-
Standard RMSc footprint for direct mounting on optics-ready slides
-
Low deck height supports co-witness with factory iron sights
-
Rugged anodized housing for long-term durability