A quick-detach magnifier mount designed to provide absolute co-witness with mil-spec AR-15 iron sights and red-dot optics of similar height, the American Defense Mfg. SM-02 is compatible with all 30 mm red-dot magnifiers. Machined from hard-coat anodized 6061 T6 aluminum, the SM-02 features a tension-adjustable swing arm that allows the shooter to flip the magnifier out of the way for an unmagnified sight picture. Price: $135. Contact: American Defense Mfg. LLC; (262) 780-9831; americandefensemanufacturing.com.