Aperture inserts for Tech Sights...
Aperture inserts for Tech Sights series 200 sights
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The Tech Sights IRAS apertures are urethane GI-style aperture inserts for all Series 200 Tech Sights models (rear sight not included). These aperture inserts will not fit any of the Series 100 Tech Sights.
The Tech Sights Insert Ready Aperture System allows the shooter to chang ethe aperture opening size to fit preference and/or shooting conditions. The fixed .062 opening aperture shipped with all Series 200 Tech Sights is easily removed and replaced with the the IRAS aperture, which accepts three different sized inserts (.042", .062", and .086"). The aperture inserts are manufactured from durable urethane, which has excellent memory characteristics, alllowing them to retaain their shape after installation. This combination provides the shooter with a versatile sight for any condition.