Sig Sauer Romeo4XT-Pro 1x20mm Red Dot Sight - Flat Dark Earth, Multi Reticle, 2 MOA

The Sig Sauer Romeo4XT-Pro 1x20mm red dot sight is built for operators who need speed and reliability without compromise. This flat dark earth optic combines the proven durability of Sig's ROMEO line with features specifically designed for modern tactical use—illumination control on top for easy access whether you're right- or left-handed, and a dedicated night vision override switch to handle fast transitions between lighting conditions. Whether you're running a duty rifle, patrol carbine, or home-defense setup, the Romeo4XT-Pro delivers the same optical clarity and ruggedness that professionals depend on, without the bulk of magnification.

At its core is a 2 MOA ballistic circle dot reticle that gives you a precise aiming point for close-quarters work and intermediate distances. The reticle is one of four options available, so you can match your sight picture to your shooting style. Battery life is exceptional—Sig rates the Romeo4XT-Pro for 50,000 hours of runtime on a standard AAA battery, and the MOTAC (Motion Activated Illumination) feature keeps the optic off when you're not moving, extending that runtime even further. The sight is fully waterproof to IPX8 standards and has been tested to MIL-STD-810 durability specs, meaning it'll stay in the fight through hard use, dust, mud, and water. Adjustments are in half-minute-of-angle increments for fine-tuning your zero.

The Romeo4XT-Pro ships with a half-inch hex mount, ready to bolt onto standard Picatinny rails. The flat dark earth finish blends seamlessly with modern tactical rifles and gear, and the top-mounted controls keep your sight clear of chest rigs, plate carriers, and slings when your rifle is in the ready position.

Key Features

• 2 MOA ballistic circle dot with three additional reticle options
• Top-mounted illumination control for ambidextrous operation
• Dedicated night vision override switch for rapid lighting transitions
• 50,000-hour battery runtime on a single AAA battery with MOTAC power management
• IPX8 waterproof and fog-proof rated
• MIL-STD-810 tested for durability and reliability
• 0.5 MOA click adjustments for precise zeroing
• Flat dark earth finish
• Includes half-inch hex mount

Specifications

Frequently Asked Questions

Is the Romeo4XT-Pro waterproof?

Yes. The sight is rated IPX8 waterproof and fog-proof, meaning it can be fully submerged and will continue to function in harsh weather and wet conditions. It's also been tested to MIL-STD-810 durability standards.

What reticle options are available on the Romeo4XT-Pro?

The sight features a 2 MOA ballistic circle dot as the primary reticle, with three additional reticle options available via the quad reticle system. This lets you tailor your sight picture to your mission.

How long will the battery last?

The Romeo4XT-Pro is rated for 50,000 hours of runtime on a single AAA battery. The built-in MOTAC system (Motion Activated Illumination) automatically powers down the optic when it's stationary, significantly extending battery life between changes.

What kind of mount does it use?

The Romeo4XT-Pro comes equipped with a half-inch hex mount that attaches to any standard Picatinny rail. The mount is included with the sight.