The SIG ROMEO1PRO Red Dot Sight – Hands On

Sig Sauer’s Romeo red dot line has grown. Travis Pike takes a look at the ROMEO1PRO.

Red dot sights on defensive handguns are here to stay, and as such, there are more now than ever before. Mini red dot sights rule and provide a faster, more precise aiming system that beats iron sights in every category. SIG Sauer’s electro-optics division proved themselves worthy with a variety of red dots, and the new SIG ROMEO1PRO is their first serious entry into pistol optics.

The ROMEO1 worked but wasn’t up to the professional standards set by companies like Trijicon and Leupold. The ROMEO1PRO promises to be a capable defensive red dot with newer features, a brighter dot, and more. Although it’s a real pain to type ROMEO1PRO over and over, and I’m sure why SIG uses this naming convention. However, I installed the optic on my SIG P320C and have been putting it through the paces.

SIG ROMEO1PRO – Specs and Features

The SIG ROMEO1PRO fits the Leupold/SIG footprint, which has become more and more common. Included with the optic is an optional metal shroud that promises to increase durability but isn’t required for use. Without the shroud, the optic provides a smaller and lighter profile. The ROMEO1PRO promises a 20,000-hour battery life that’s helped preserved by SIG’s own MOTAC.

MOTAC is a motion-activated technology that allows the optic to go to ‘sleep’ when it fails to detect motion. Once the optic moves, it springs right back to life. No need to turn the optic off between uses. To help increase durability, the ROMEO1PRO utilizes a neck lockless zeroing system that uses twin adjustment springs to endure pistol slide reciprocation and maintain zero.

SIG offers three and six MOA reticles, and I prefer the three moa dot setup. The dot comes with 12 brightness settings, 10 for daylight and two for night vision. At setting twelve, this thing is super bright. Bright enough to use with dark glasses on a bright day.

The massive 30mm window makes it the biggest window for a mini red dot I’m aware of. It’s huge and provides a heads-up style display, and encourages a two-eye open shooting style.

At the Range with the ROMEO1PRO

That massive window won’t win points for compactness, but man, it’s enjoyable. Een with the shroud, the thin material around the optic won’t block your vision by any means. A blue tint stands out, but the view is still quite clear and clean. The ROMEO1PRO provides a very crisp and clear dot that is easy to see and very clear.

The little dot stands out well, and it’s easy to use at a wide variety of ranges. This includes out to 50 yards on gong-type targets. The extra range a red dot offers shouldn’t be ignored. Neither should the speed they offer. I moved up 10 and 15-yard ranges and ran speed drills, like the 10-10-10, failure to stop drills, and more. Several times I set personal records with the P320C.

The dot performed admirably and made it easy to get on target and put lead right where the dot fell. With the ROMEO1PRO, you utilize a target focus, not a dot focus. This makes it easier to identify threats and transition from one target to another. Tracing that bright red dot is very easy.

After hundreds and hundreds of rounds, the P320C remained zeroed. It neer slipped even slightly. I even dropped the optic and gun at a multitude of angles with the metal shroud. There wasn’t a single issue after a dozen drops on all sides.

Blasting Away

A red dot sight like the ROMEO1PRO provides a fantastic red dot sight option at a nice price point. It’s slightly cheaper than most other professional red dots on the market. Yet, it provides you with a defensive optic that can withstand some serious abuse. It’s got a huge window, a crisp dot, and provides shooters with a fantastic option for a red dot.

My only complaint is the teeny tiny buttons. They can be a pain, especially with the shroud in place. Those tiny buttons make it tough to adjust on the fly. However, it’s a minor complaint that might not affect those with non-sausage-sized thumbs.

The ROMEO1PRO provides shooters a fantastic optic, with a huge window, a bright dot, MOTAC, and a long battery life. In my experience, it’s durable, easy to utilize, and perfect for defensive and competitive use. Check it out here.


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Travis Pike is a former Marine Machine gunner who served with 2nd Bn 2nd Marines for 5 years. He deployed in 2009 to Afghanistan and again in 2011 with the 22nd MEU(SOC) during a record-setting 11 months at sea. Travis has trained with the Romanian Army, the Spanish Marines, the Emirate Marines, and the Afghan National Army.

He serves as an NRA-certified pistol instructor and pursues a variety of firearms-based hobbies.


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