The QF BUS (Back Up Sight) flip-up sight set is designed to meet a variety of needs for any shooter. These rifle sights are incredibly easy to install on your AR-15 and feature a tension detent locking mechanism in both the upright and low-profile folded positions. The HK-style front sight allows for large sight picture and quick target acquisition, while the dual-aperture rear sight allows for easy zeroing. The low-profile and slim design of the sight set ensures that minimum bulk and weight is added to your carbine, making it perfect to combine with other optics platforms.
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