Sig Sauer ROMEO5 Gen II 1x20mm | Red Dot | SOR5101

The ROMEO5 Gen II from Sig Sauer Electro-Optics is a compact 1x20mm non-magnified reflex sight designed for rapid target acquisition on modern carbines and rifles. It features motion-activated MOTAC power management, top-mounted ambidextrous illumination controls, and a durable waterproof/fog-proof construction suitable for field use. The sight is built to be lightweight and low-profile and ships with a low mount, CR2032 battery, and basic mounting hardware.

Typical applications include short-range carbine work for sport shooting and fast target-acquisition roles in competition or training environments.

Product Specifications

• The model is ROMEO5 Gen II.
• The manufacturer is Sig Sauer Electro-Optics.
• The optic provides 1x magnification.
• The objective lens diameter is 20 mm.
• The reticle type is a red dot design.
• The mount is compatible with the M1913 Picatinny footprint.
• The power source is a CR2032 battery.
• The listed runtime with MOTAC is approximately 40,000 hours.
• The illumination controls are top-mounted and offer 12 settings (10 day + 2 night vision).
• The sight carries an IPX7 waterproof rating for immersion protection.
• The eye relief is listed as unlimited for quick target acquisition.
• The weight is listed as 5.5 oz.
• The overall length is listed as 2.7 inches.
• The optic footprint is specified as Picatinny.
• The product includes low mount, CR2032 battery, rubber lens cover, and mounting hardware.
• The UPC is 798681694600.

The ROMEO5 Gen II balances a small footprint with features intended to preserve battery life and ease of use in the field. Its top-mounted controls and MOTAC sensor reduce user steps for routine operation, and the low-profile Picatinny footprint makes it suitable for a wide range of carbine and rifle platforms where fast, non-magnified aiming is preferred. With durable sealing and simple battery replacement, the sight is designed for dependable service in everyday and competitive use.

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