Sig Sauer ROMEO1 1x30mm Reflex Sight with Red Dot
The Sig Sauer ROMEO1 is a compact open reflex sight featuring a red dot reticle, 1x magnification, and a 30mm (diagonal) clear aperture for a fast, unobstructed sight picture.
This optic uses a top-loading CR1632 battery and includes a metal shroud and mounting screws.