I have a Sig Optics Romeo 5XDR which uses the Eotech reticle except it's HD quality, much more visible than the Eotech and not fuzziness, and I run a Sig Optics Juliet 4x magnifier behind the XDR. I've went thru about 6 iterations of optics on my Colt, Eotech, Aimpoint PRO, Vortex, Meprolight...