The US Military's New Smart Optic that Aims For You. The XM-157
"The US Army has selected the XM-157 to work along side many new weapon systems including the X-M5 NGSW. This new optic from Vortex has a feature that ranges and calculates your exact hold to achieve first round impacts. The hold is displayed within the optic. The technology is incredible and we're excited to bring you this review."
Amazing tech.