SHIELDS RMS-C Glass Edition Red Dot Reflex Mini Sight
The Shield Sights RMS-C Glass Edition red dot reflex sight is a compact, rugged optic built for shooters who demand precision without bulk. This mini red dot combines a scratch-resistant glass lens with a low-profile aluminum frame, making it equally at home on a carry pistol, rifle, or shotgun. The Glass Edition upgrades the proven RMS platform with an ultra-clear optical path and improved electronics, all while maintaining the shallow footprint that lets you co-witness with standard iron sights.
Unlike many competing mini red dots that rely on red reflective coatings, the RMS-C Glass Edition forgoes that filter entirely—a design choice that minimizes your visual signature downrange while delivering a clean, bright dot. The sight uses a variable intensity LED that automatically adjusts brightness based on ambient light, so your dot stays visible whether you're shooting in bright daylight or dimly lit indoor ranges. An aerospace-grade aluminum body with matte black anodized finish handles recoil and hard use without flinching. Battery changes are straightforward thanks to the optional battery draw feature, which lets you swap your CR2032 lithium cell without removing the sight from your gun.
The RMS-C Glass Edition is parallax-free across its field of view, meaning your point of aim stays true regardless of eye position—critical when you're moving fast or shooting from unconventional angles. At just 1.7 inches long and 0.9 inches wide, it stays out of your way and plays well with optics mounts, pistol slides, and Picatinny rails. The 8 MOA dot offers a clean aiming point that's quick to acquire without consuming your entire sight picture.
Key Features
- Scratch-resistant ultra-clear glass lens with clean optical path
- Parallax-free design for consistent aim point at any angle
- Variable intensity LED automatically adjusts to ambient light
- Low-profile frame allows co-witnessing with iron sights
- Aerospace-grade aluminum body, matte black anodized finish
- Optional battery draw for tool-free battery changes
- Compatible with SMS-mount accessories and standard Picatinny rails
- Night vision compatible housing
Specifications
| Reticle Size | 8 MOA dot |
| Battery | One 3V CR2032 lithium |
| Housing Material | Aerospace-grade aluminum |
| Finish | Anodized matte black |
| Lens | Scratch-resistant ultra-clear glass |
| Width | 0.9 inches |
| Height | 0.9 inches |
| Length | 1.7 inches |
| Optical Characteristics | Parallax-free, no red reflective filter |
| Night Vision | Compatible housing |
Frequently Asked Questions
Will the RMS-C Glass Edition co-witness with my iron sights?
Yes. The low-profile frame is designed to allow co-witnessing with standard iron sights, giving you a backup aiming method if your red dot fails.
Can I change the battery without removing the sight from my gun?
The RMS-C Glass Edition is available with an optional battery draw feature that allows you to swap the CR2032 battery without unmounting the sight from your firearm.
Is this sight compatible with night vision equipment?
Yes, the RMS-C Glass Edition has a night vision compatible housing.
What dot size is included?
The RMS-C Glass Edition comes with an 8 MOA dot, sized for quick target acquisition on rifles and pistols.

