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Meprolight MPO-S Open Emitter Green Dot – RMSc Footprint – 3 MOA Dot / 33 MOA Bullseye – 901141181
The Meprolight MPO-S (MPN: 901141181) is a high-performance micro reflex sight specifically engineered for slimline concealed carry pistols. Designed to fit the popular RMSc / JPoint footprint, this "S" (Slim/Small) model is the perfect choice for subcompact favorites like the SIG P365, Glock 43X/48 MOS, and Springfield Hellcat. This variant features a vibrant Green LED, which provides a sharper contrast against most backgrounds and is often preferred by shooters with astigmatism or those who find green dots easier to track during rapid fire.
Equipped with Meprolight’s 3-Segment Reticle System, the MPO-S allows you to toggle between a precision 3 MOA dot, a fast-acquisition 33 MOA Bullseye, or a standalone 33 MOA Ring. Despite its tiny footprint, it is packed with high-end tech, including Shake Awake motion sensing to conserve battery life and an Automatic Brightness sensor that adjusts the reticle intensity to match your surroundings instantly. Machined from 7075-T6 aluminum and rated IPX7 waterproof, the MPO-S offers a "duty-grade" build in a package that weighs less than an ounce, ensuring it won't impede your draw stroke or add unnecessary bulk to your carry rig in 2026.
Includes: Meprolight MPO-S Green Dot Optic, CR1632 Battery, #6-32 and M4 Mounting Screws, Adjustment Tool, and User Manual.
Key Features
- Micro-Compact Footprint: Utilizes the industry-standard RMSc/JPoint pattern for direct mounting on the most popular slimline concealed carry handguns.
- High-Contrast Green Reticle: Selectable 3 MOA Dot, 33 MOA Ring, or 33 MOA Bullseye in high-visibility green for superior low-light and daylight performance.
- Shake Awake Technology: Automatically powers down after inactivity and wakes up instantly upon movement, extending battery life to over 20,000 hours.
- Dual Brightness Modes: Features both an automatic light sensor for hands-off adjustment and a manual mode with 12 brightness levels (including 2 NV settings).
- Ultra-Lightweight Design: Weighs a mere 0.8 oz, maintaining the balance and concealability of your micro-compact firearm.
- Side-Loading Battery: Allows for quick CR1632 battery changes without removing the optic or losing your zero.
Product Specifications
- Brand: Meprolight USA
- Model: MPO-S (Slim-Line)
- Reticle Color: Green
- Reticle Type: 3 MOA Dot / 33 MOA Bullseye / 33 MOA Ring
- Footprint: RMSc / JPoint
- Material: 7075-T6 Aluminum
- Adjustment Value: 1 MOA per Click
- Battery Type: CR1632 (Side-Loading)
- Waterproof Rating: IPX7 (Submersible)
- Weight: 0.05 lbs (0.8 oz)
- MPN: 901141181
- UPC: 810013524482
