The R.EX Riser is a low profile, lightweight riser for AR platforms. Set at the ideal height for co-witnessing while using the SI Reflex Exoskeleton mount with either A2 height, or Sidewinder sights (without spacer), the REX Riser is versatile and provides and solid mounting platform. While optimized for use with the R.EX Mount, the universal Picatinny pattern can be used with many other optics that can be mounted on picatinny sections. Picatinny rail features 3 slot design.
Specifications:

Type	Riser
Model	REX
Style	Picatinny
Misc
Finish	Black Hard Coat Anodized
Material	6061-T6 Aluminum
Pieces	1
Gun Type
Mount Type	Picatinny Rail
Length	2.09"
Rings Included	No
Ring Height
Mount Height	.53"-.63"