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The Meprolight MPO Pro-S Closed Emitter Green Dot Optic (part number 901141182) is a compact, rugged enclosed-emitter red dot sight designed primarily for pistols. It uses an RMSc/JPoint footprint and features a selectable 3/33 MOA bullseye reticle in green.
Key Specifications
- Reticle: 3-segment selectable (3 MOA dot only, 33 MOA bullseye/ring only, or both combined). Green color.
- Footprint: RMSc / JPoint (includes adapter plate).
- Objective Lens: Width 0.78" x Height 0.60".
- Brightness: Automatic (sensor-based) + manual control with 10 daylight settings and 2 night vision (NV) compatible settings.
- Battery: 1x CR1632 (side-loading, so you don't need to remove the optic to change it). Rated life: 20,000+ hours (on medium setting with 3 MOA dot; estimates vary slightly by source and usage).
- Adjustments: 1 MOA per click, ±30 MOA total windage/elevation travel.
- Weight: 1.4 oz (very lightweight for an enclosed optic).
- Durability: IP67 waterproof, fogproof, built on 7075 aluminum housing. Designed for military/law enforcement use with shake awake and auto-off after 1 hour.
- Other Features: Low-profile design to reduce snags, clear lens, power-saving sleep mode.
This is the green reticle version of the MPO Pro-S (the red version is typically 901141172). The enclosed emitter protects the LED from debris, rain, snow, or impacts better than open-emitter dots.
Intended Use
It's built for defensive carry, duty pistols, or compact platforms (e.g., optics-ready micro-compacts like certain Sig P365, Hellcat, or similar with RMSc cuts). The bullseye reticle offers versatility:
- 3 MOA dot for precision.
- 33 MOA ring for fast acquisition and situational awareness.
- Combined for a balance of both.