Sig Sauer ROMEO7S 1x22mm Red Dot Sight - 2 MOA Red Dot
The Sig Sauer ROMEO7S is a compact 1x red dot sight with a 22mm clear aperture and a 2 MOA red dot reticle. Brightness is controlled via a user-facing rotary dial with 11 settings (9 daytime and 2 night vision).
This optic features SIG SAUER MOTAC (motion-activated illumination) for extended runtime (up to 50,000 hours in normal use) and runs on one AAA battery. The housing and mount are aircraft-grade aluminum, with IPX-7 waterproof and fog-proof performance, and a MIL-STD-1913 Picatinny mount using a half-inch nut.