The Sig Sauer Romeo4T-Pro (MPN SOR44101) is a Quad Ballistic Circle Dot red dot built for hard professional use across pistols, MSR platforms, and shotguns. A durable half-inch hex mount, 9 daytime and 3 NV brightness settings, and a 50,000-hour CR2032 runtime back up engineered lens coatings for both bright light and night-vision use.

Key Specifications

• 1x magnification. Fast, both-eyes-open aiming.
• Quad Ballistic Circle Dot reticle, red. A versatile reticle pattern for multiple engagement distances.
• Durable half-inch hex mount. Includes 2 mounting heights in the box.
• 9 daytime and 3 NV brightness settings. Top-mounted activation with an NV override control.
• Engineered lens coatings. Tuned for performance in bright light or with night vision.
• Single CR2032 battery. Rated for 50,000 hours of runtime with MOTAC auto on/off.
• 0.5 MOA per click, 100 MOA total travel. Elevation and windage adjustment range.
• Includes flip-back and Kill-Flash covers. Clear flip-back, opaque front flip-back, and ARD Kill-Flash included.
• 6.3 ounces. A manageable duty-optic weight.
• Assembled in the USA. Built and tested for hard professional use.

Frequently Asked Questions

What platforms is the Romeo4T-Pro built for?

It’s designed for modern semi-automatic pistols, MSR platforms, and shotguns at short-to-medium range.

How long does the battery last?

It’s rated for 50,000 hours of runtime on a single CR2032 battery, with MOTAC to automatically power the optic on and off.

Is this red dot night-vision compatible?

Yes, it includes 3 NV brightness settings alongside 9 daytime settings, with an NV override control.

Buy the Sig Sauer Romeo4T-Pro Red Dot Sight

Get a duty-grade red dot built for day and night use with the Sig Sauer Romeo4T-Pro. Shop the full Sig Sauer lineup or browse more Red Dots Sights in our Red Dots Sights category at Schaefer Defense.