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MEPROLIGHT MPO-DF Red 3.5 MOA Dot RMR is an open reflex red dot sight designed for full-sized pistols with an RMR footprint. It features automatic and manual brightness controls, a CR1632 battery with long life, IPX7 waterproofing, shock and fog proofing, and a compact 1.2 oz weight. Reticle: 3.5 MOA Dot. Reticle color Red. Windage/Elevation adjustment: 50 MOA. Battery life approximately 15,000 hours. Powered by battery with power-saving sleep mode and Shake Awake functionality.
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An analysis of AR-15 optic mounting heights, how height-over-bore affects zero offset and holdovers, and the tradeoffs between absolute co-witness, lower-third, and taller mounts.
6 min read
Guide
A high-level overview of the main optic categories, explaining tradeoffs between speed, versatility, and precision for AR-15 builds.
7 min read