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Intended for use with Glock pistols, Meprolight’s tritium-illuminated R4E replacement sight set was designed with rapid sight alignment in mind, regardless of the lighting conditions. The rear sight consists of two horizontal and one vertical line, which pairs instinctively with the luminous dot on the front sight, and both sighting elements feature reverse-slope ledges that help facilitate one-handed racking of the slide. Price: $130. Contact: The Mako Group; (631) 843-0490; themakogroup.com.
