Micro RDSClear aiming point for all light conditions Patented, quick detach mount Mepro microRDS mounts directly to Meprolight's TruDot self illuminated pistol sights Technological advances in design and manufacturing made it possible for full size red dot rifle optics to be reduced in size to fit pistols. However, there were three options* buy a new gun, have a gunsmith mill your slide or go without*if the gun was not optics ready. Meprolight's engineering