Description USGI Matech BUIS 600M Folding Rear Iron Sight One-touch flip up aperture for instant utilization. This sight has an extremely low reflective signature. It’s precise range & windage adjustments up to 600 Meters and can be used in conjunction with any standard optic. Matech Mil-Spec Back-up Iron Sight (BUIS) The Picatinny Backup Iron Sight, manufactured by Matech is the standard issue BUIS for all new and fielded U.S. Military M4 carbines and M16 flat top rifles. Rigorously tested at Fort Benning and Aberdeen Proving Grounds, our product has the strength, durability, and accuracy to meet your sighting requirements. Cage Code: 0GU83 Features: Compatible with any Picatinny style rail system. Designed by Picatinny 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 almost any standard optic Available new in package or surplus conditions. NSN: 1005-01-484-8000
