MaTech BUIS Back Up Iron Sight

Matech Back Up Iron Sights. BUIS.  A certified and genuine Global War on Terror issued rear iron sight.  Quick change elevation markings from 200 to 600 Meters. Adjustable windage.

• 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