Sig Sauer Romeo MDC 1x Red Dot - 6 MOA Dot - When concealment matters and performance is non-negotiable, the ROMEO-MDC delivers. Designed specifically for compact pistols, this mini open reflex sight combines rugged 7075 aluminum construction with a crystal-clear aspherical glass lens for fast, instinctive target acquisition. With industry-standard Shield RMSc footprint compatibility, 12 illumination settings, and a top-mounted battery compartment that allows changes without removing the optic, the ROMEO-MDC is engineered for shooters who carry daily and demand absolute reliability. Compact. Durable. Ready when you are. Features Durable 7075 aluminum housing for long-term structural integrity; Industry-standard shield RMSc footprint for broad compact pistol compatibility; 3 MOA or 6 MOA red dot with 12 brightness settings (10 Daytime / 2 NV); Top-mounted CR1632 battery compartment - no need to remove the optic; Up to 20,000 hours of continuous runtime; IPX7 waterproof rated (1 meter submersion for 30 minutes); Lightweight 1.03 oz design optimized for concealed carry;