OSight SE RMSc Red Circle Dot OSIGHTSE Highlights
Enclosed Emitter Optic: Designed with a fully sealed system, the optic offers unmatched protection against the elements, ensuring reliable performance in any environment.
- Aspherical Lens: Its aspherical lens ensures zero distortion and parallax-free performance, delivering exceptional clarity through the large window for rapid and precise target acquisition.
- Side Load Battery: Effortless battery replacement without removing the optic ensures hassle-free re-zeroing. A high-end CR1620 features easy accessibility but still offers steady performance.
- RMSc Footprint: Fitting directly to your optics-ready slides, the compact optic delivers exceptional compatibility, ensuring seamless integration across a multitude of builds.
- 2 MOA Dot & 32 MOA Circle: Switching between dot-and-circle, dot-only, or circle-only reticles, you can tailor your aiming solution to any shooting scenario. The sharp and bright dot-and-circle reticle provides a cutting-edge aiming experience.
The OSight SE RMSc Red Circle Dot OSIGHTSE is a compact, high-performance pistol optic designed to provide fast target acquisition, dependable durability, and everyday reliability for concealed carry, defensive, and range applications. Built around the popular RMSc footprint, this red dot sight offers broad compatibility with today’s most popular optics-ready handguns while maintaining a lightweight profile ideal for concealed carry.
Featuring a versatile Red Circle Dot reticle, the OSight SE RMSc allows shooters to quickly acquire targets at close distances while maintaining precise aiming capability. The circle-dot configuration helps guide the eye naturally to the aiming point, making it an excellent choice for defensive shooting, competition, and everyday carry use. Whether engaging targets at speed or focusing on precision shot placement, the reticle provides a clear and intuitive sight picture.
The OSight SE RMSc Red Circle Dot incorporates advanced illumination controls and motion-sensing technology to maximize battery life and readiness. Shake Awake functionality automatically activates the optic when movement is detected and powers down during inactivity, ensuring the sight is ready when needed while conserving battery power.
Constructed from durable aircraft-grade aluminum, the OSIGHTSE is engineered to withstand recoil, daily carry, and harsh environmental conditions. The hard-anodized finish provides additional resistance to wear, corrosion, and impact damage. Multi-coated lenses deliver excellent light transmission and a crisp sight picture while reducing glare and distortion.
Its RMSc mounting footprint allows direct installation on many optics-ready pistols and compatibility with numerous aftermarket adapter plates. This makes the optic suitable for a wide range of firearm platforms used for concealed carry, home defense, law enforcement, and recreational shooting.
For shooters seeking a dependable micro red dot that combines durability, modern features, and rapid target acquisition, the OSight SE RMSc Red Circle Dot OSIGHTSE delivers exceptional performance in a compact package. With its versatile reticle, rugged construction, and user-friendly design, it is an outstanding upgrade for any optics-ready handgun.
| Category | Specification | Details |
|---|---|---|
| Optic Type | Reflex Sight | Open Emitter Red Dot |
| Reticle | Multi-Reticle System | Red Dot & Circle Dot |
| Reticle Color | Red | High Visibility |
| Footprint | RMSc | Direct RMSc Compatibility |
| Magnification | 1x | True 1x Viewing |
| Eye Relief | Unlimited | Both-Eyes-Open Shooting |
| Brightness Settings | Adjustable | Daylight Bright |
| Lens Coating | Multi-Coated | Enhanced Clarity & Light Transmission |
| Battery Type | CR1620 / CR2032 (Model Dependent) | Long Runtime |
| Battery Access | Side-Loading | No Need to Remove Optic |
| Motion Activation | Shake Awake Technology | Automatic Activation |
| Auto Shutoff | Yes | Extended Battery Life |
| Housing Material | Aluminum Alloy | Lightweight & Durable |
| Finish | Hard Anodized | Corrosion Resistant |
| Water Resistance | Weather Resistant | Designed for Adverse Conditions |
| Mounting Pattern | RMSc Footprint | Compatible with Many Optics-Ready Pistols |
| Application | EDC, Concealed Carry, Duty, Range Use | Versatile Performance |


















