Picture of Fixed 45 Degree Rapid Transition BUIS set

Fixed 45 Degree Rapid Transition BUIS set

AR15 45 DEGREE/RAPID TRANSITION BACK-UP IRON SIGHTS (PAIR)
SKU: IS009
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  • 45 degree 
  • T6 6061 anodized aircraft grade aluminum
  • Adjustable A2 front post 
  • Adjustable A2 for windage 
  • Dual apertures
  • Guarantee zero cross bar mounting system