CO-WITNESS RISER INTERFACE SYSTEM MODEL: RB1501H The RB1501H is a co-witnessing riser interface system designed specifically for SL1 and GL1 projectile launchers. It accepts a variety of sights, including but not limited to the following: EOTech®, ProPoint®, Trijicon® ACOG® & Reflex, C-More®, or Aimport®. The system includes the riser, a weaver rail, and all of the necessary hardware required for mounting. |