Explained Suppressor-height sights and co-witness Standard iron sights sit below a red dot and you cannot see them through the window. Taller "suppressor-height" sights fix that, so you have a backup …

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Head to head Enclosed vs open emitter red dots The LED in an open dot sits exposed in front of the window. An enclosed dot seals it behind glass. Here is when that matters. Open emitter LED exp …

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How-to Zero your pistol red dot in 6 steps A dot is only as good as its zero. Here is the simple process we use, plus the math behind those clicks. Pick your zero distance 10 yd Quick, common for …

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Buyer's guide The right red dot for the gun you carry Glock 19, Sig P365 and S&W Shield are three of the most popular pistols in America. Here is what fits each one and what we would pick. P …

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Buyer's guide Match the pattern, not the brand The footprint is the screw and recoil-lug pattern under your optic. Match it to your slide cut or plate and the dot bolts right on. Get it wrong and it …

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