Sig Romeo 9T Sig Romeo 9T ideal for use on suppressed weapons, letting the operator to zero 1 reticle for supersonic ammunition and another for subsonic ammunition. The dual reticle layout is usually useful for zeroing one reticle at a standard length, and one other for just a CQC https://sig-9t50371.amoblog.com/5-essential-elements-for-sig-romeo-9t-45205605