Rugged dependability meets streamlined design with the all-new ROMEO-X Enclosed pistol red dots from SIG SAUER. The SIG SAUER Electro-Optics ROMEO-X Enclosed Series red-dot sights are available in a compact version (ROMEO-X Enclosed COMPACT), to fit micro-compact pistols such as the P365, and a PRO version (ROMEO-X Enclosed PRO), to fit full-size pistols.