TDI Arms Quick Flip Set HK front Dioptic Rear Flip Up backup sights BUIS AR15 AR-15
Spring Actuated Quick Flip Up FS-1 Flip Up backup sight set
The FS-1 flip up sights are a rugged aluminum constructed pair of backup sights for your AR rifle with a spring loaded side push mechanism. The low collapsed profile provides a sleek profile that is compatible with most red dots. Quick acquisition is achieved with the highly accurate dioptic rear aperture.
Excellent reliability and thse iron sights allow for co-witness with RED DOT & Holographic sights.