sig romeo x compact 3 MOA red dot sight, black, RMSc footprint

SIG Sauer ROMEO-X Red Dot Sights

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SIG ROMEO-X Red Dot Sights

The SIG ROMEO-X is SIG’s pistol red-dot family inspired by the ROMEO-M17: 7075 aluminum, a low deck for standard-height irons, MOTAC, and a side-load battery. Compact sights use the Shield RMSc cut for P365-class slides. PRO sights use the DeltaPoint PRO cut for P320, P226, and P229. Enclosed guns seal that same idea. SIG-LOC Compact and SIG-LOC PRO are bottom-mount SIG cuts, not RMSc and not interchangeable with each other.

Reticles here are 3 MOA, 6 MOA, and circle-dot, in red or green. A circle-dot is not a 3 MOA or 6 MOA dot. Confirm the reticle on the sight you receive. See also SIG ROMEO red dots, SIG P365, and SIG P320.

How to choose

P365 RMSc slides take Compact or Enclosed Compact. P320 / P226 / P229 PRO cuts take PRO or Enclosed PRO. P365 SIG-LOC slides take SIG-LOC Compact. P320 SIG-LOC PRO slides take SIG-LOC PRO. Do not mix those four footprints.

Frequently Asked Questions

What is a SIG ROMEO-X?

ROMEO-X is SIG’s pistol red-dot family: 7075 aluminum, MOTAC, a low deck for standard-height irons, and a side-load battery. Compact, PRO, Enclosed, and SIG-LOC versions are not the same footprint.

Does ROMEO-X Compact fit a P320?

No. Compact uses the Shield RMSc / compact cut used on P365-class slides. P320 PRO cuts take ROMEO-X PRO or Enclosed PRO, or a SIG-LOC PRO sight on a SIG-LOC PRO slide.

Is SIG-LOC the same as RMSc?

No. SIG-LOC Compact is a bottom-mount SIG cut. It is not a drop-in RMSc plate. SIG-LOC PRO is a different cut again, used on P320-class SIG-LOC PRO slides.

What reticles does ROMEO-X use?

These sights ship as 3 MOA, 6 MOA, or circle-dot, in red or green. SIG lists 2 MOA / 32 MOA circle on circle-dot models. Confirm the reticle on the sight you receive.

Open or enclosed?

Open ROMEO-X Compact and PRO leave the emitter open. Enclosed Compact, Enclosed PRO, and SIG-LOC PRO enclose the emitter in a sealed housing.