Sig Romeo 9T Sig Romeo 9T ideal for use on suppressed weapons, allowing for the operator to zero a single reticle for supersonic ammunition and the opposite for subsonic ammunition. The twin reticle structure is also helpful for zeroing a single reticle at a regular distance, and another for https://romeo-9t61582.tinyblogging.com/the-basic-principles-of-sig-sauer-romeo-9t-66956391