FAST Riser securely elevates block-type red dot optics with a standard lower 1/3 cowitness picatinny mount to a 2.26″ optical center line. 

FAST Riser provides an elevated M1913 Picatinny platform for direct attachment of optics such as EOTech EXPS, Leupold LCO,

Vortex UH-1, and other “lower 1/3” optics.