MPO
The Meprolight Mepro MPO-S is an open emitter pistol optic on the RMSc footprint, offered with a 3 MOA Dot reticle and 2 other reticle options in red. The window measures 0.80 x 0.60 in, and the aluminum housing measures 1.62 x 1.02 x 1.01 in and 0.8 oz. It runs on a CR1632 cell that can be changed with the optic still mounted, and adds shake awake and night vision settings. Measured against the 311 pistol optics in the index, it lands in the lightest quarter for weight (0.8 oz), in the smallest quarter for window area (0.48 sq in), and about in the middle for price ($320). It is one of 61 entries in the index that qualify as a RMSc footprint optic. The closest listed comparison is Meprolight Mepro MPO PRO-S, the same brand's RMSc footprint optic, priced at $350.

| Series | MPO |
| Reticle color | Red |
| Reticle options | 3 MOA Dot / 33 MOA Outer Ring / 3 MOA Dot + 33 MOA Outer Ring |
| Optic Removal for Battery Change | No |
| Window Size (in) | 0.80 x 0.60 |
| Enclosed | No |
| Footprint | RMSc |
| Battery | CR1632 |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Material | Aluminum |
| Weight (oz) | 0.8 |
| Dimensions (in) | 1.62 x 1.02 x 1.01 |
| Country of Manufacture | Israel |
| Average Price | $320 |
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