XS Sight Systems

XS CSAT REAR .070 & .200 SIGHTAR-15/M16 MIL-SPECFEATURES -Fits AR-15 & M16 A2 style rear -Easy-to-use -Instinctive target acquisitions -Same-plane aperture can switch between presision and battle apertures without changing zero -Precision aperture set to 100 yard zero, notch gives 7 yard zero to remove 2.5" offset in CQB situations -Serations on face of aperture to reduce glare