by Burris
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Burris FastFire M3 Prism Sight designed for the T.M.P.R. system. Features a 3 MOA dot reticle and prism design. Mountable on the T.M.P.R. sight or used independently with the included mount. Compatible with pistols or shotguns. Automatic brightness sensor with 3 manual brightness settings. Uses either the T.M.P.R. central battery or its own battery.
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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