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Meprolight 403240: The Fubs are tritium-enhanced, self-illuminated front and rear back-up sights designed to provide the shooter secondary sights in case the primary optics go down. Fubs sights are advanced, low-profile, durable, tritium-enhanced auxiliary front and rear back-up sights. The sights quickly fold up or down depending on the shooters needs. Sight pin elevation is easily and quickly adjusted without tools. Fubs sights are readily mounted on any 1913 Picatinny rail.
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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