The Sig Sauer Romeo-MSR Gen 2 is a 1x20mm red dot sight built for the modern sporting rifle (MSR / AR-15 platform). It ships with a see-through, lightweight absolute co-witness riser for a Picatinny (M1913) rail — remove the riser to drop the optic to a lower mounting height.

Features:

• 1x magnification, 20mm objective, parallax-free
• 2 MOA green dot reticle
• 12 brightness settings (10 daylight + 2 night-vision compatible)
• MOTAC motion-activated illumination — wakes on movement, powers down when idle
• CR2032 battery with long runtime via MOTAC
• IPX7 waterproof and fog-proof
• Includes a removable Picatinny absolute co-witness riser mount

A drop-on red dot for AR-15 / MSR rifles — the included riser sets the dot at AR absolute co-witness height out of the box, or mount low without it.