by Meprolight
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The MIL-SPEC Mepro M21 Self-Illuminated Reflex Sight is used and trusted by militaries and law enforcement agencies worldwide. It is specifically unique, in that, no batteries are needed. Illumination of the point of aim reticle is achieved by a fiber optic collector system during the day and by a miniature self-powered tritium light source at night. A large 30mm display window allows the shooter to keep both eyes open for better battlefield situational awareness.
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Sign In to Set AlertThis is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Guide
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