Featuring a bold, white front dot and a U-notch rear sight, TruGlo’s Tritium Pro Handgun Night Sights are an aftermarket upgrade for many of the popular semi-automatic pistols available today. The steel sights possess embedded tritium vials—one in the front, two in the rear—to create a glowing three-dot sight arrangement for use in low-light conditions. Another feature is the rear sight’s aggressive, forward-cant ledge, which is intended to facilitate emergency one-hand manipulations of the slide by providing a “hook” that can engage the edge of a belt, holster or other surface. Price: $108. Contact: TruGlo, Inc.; (888) 887-8456; truglo.com.