Matech Back Up Iron Sights. BUIS. Rear Iron Sights. Solid, robust, and as accurate as your eyes and skill will allow. Elevation markings from 200 to 600 Meters. Adjustable windage.

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• Compatible with any Picatinny style rail system

• Designed by Picatinny/MaTech engineers

• One-touch flip up aperture for instant utilization

• Extremely low reflective signature

• Precise range & windage adjustments up to 600 Meters

• Tested to retain zero under extensive firing conditions

• Can be used in conjunction with any standard optic