Sig Sauer Romeo-X SIG-LOC PRO Reflex Sight with MOTAC Auto-On (Red 3 MOA Dot)The SIG LOC red dot sets a new standard in optic integration with its innovative, low profile mounting system. Originally developed for the ROMEO M17, it delivers exceptional durability, stability, and precision while maintaining zero. With improved clarity, reduced parallax, and rugged construction, it ensures reliable performance for both professionals and civilian users. SIG LOC Mounting System A revolutionary footprint with five points of contact