SIG SauerRed Dot Sight
SIG Sauer ROMEO-X Compact Open Reflex Red Dot Sight 1x24 2 MOA / 32 MOA Red Circle Dot Reticle Black
- Selectable 2 MOA dot / 32 MOA circle / circle-dot
- RMSc footprint for compact carry pistols
- Distortion-free aspherical lens, low deck height
- MOTAC + MAGNETAC activation; 15 settings (3 NV)
In stock — 7–10 business day delivery
Tracked delivery, estimated 7–10 working days
Want to know when it's back? Email us and we'll let you know
Multi-buy savings
Mix any optics and lights — applied automatically
- 5%2 items
- 10%3 items
- 15%4 or more
Applied automatically at checkout — no code needed. Accessories such as tailcaps, switches and mounts aren't included.
- Shipped from the UK with tracked delivery
- 30-day returns on unused items
- Warranty support — contact us first
Delivery
Every order is shipped from the UK with tracked delivery. Estimated delivery time is 7–10 working days, and you will receive tracking details by email as soon as your order is on its way.
Returns
Unused items in their original packaging can be returned within 30 days. Email info@opticstrader.co.uk first and we will confirm the return details.
Warranty
Every product is new and boxed. If anything goes wrong, contact us first and we'll help with a manufacturer warranty claim where one applies.
The SIG Sauer ROMEO-X Compact Red Dot Sight is a premium open-reflex red dot sight for slim carry pistols on the RMSc footprint — purpose-fit for the SIG P365 family and other RMSc-cut handguns. A distortion-free aspherical lens and low deck height give a clean, co-witnessable sight picture.
It offers a selectable 2 MOA dot / 32 MOA circle reticle, MOTAC + MAGNETAC activation, 15 brightness settings (3 night-vision), a side-loading CR1632 tray, and IPX7 sealing.
How it compares
Larger pistol? The ROMEO-X Pro uses the DeltaPoint Pro footprint. It fits the slim RMSc-footprint red dot sights — confirm your slide cut in our RMR vs RMSc guide. Browse the ROMEO red dot range and all optics for optics-ready pistols. Carry setup? See Glock MOS optic fitting guide.
Compatibility
RMSc (Shield) footprint — SIG P365 family, plus SIG-listed direct fit on Glock 43X/48, Springfield Hellcat/Hellcat Pro, S&W Shield Plus/Equalizer, Taurus TX22, Canik Mete MC9 and FN Reflex. Confirm slide cut and screws before ordering.
Ideal for
- Slim, optics-ready pistols with an RMSc slide cut
- Airsoft, training and licensed pistol setups
- Pistol-calibre carbines and long-barrelled pistols
- Shooters who want a slim optic with a large window
Key features
- Selectable 2 MOA dot / 32 MOA circle / circle-dot
- RMSc footprint for compact carry pistols
- Distortion-free aspherical lens, low deck height
- MOTAC + MAGNETAC activation; 15 settings (3 NV)
- Side-loading CR1632 tray; 7075 aluminium, IPX7
| Magnification | 1x (non-magnified) |
| Aperture | 24 mm |
| Reticle | 2 MOA dot / 32 MOA circle (red) |
| Brightness | 15 (12 day / 3 NV), MOTAC |
| Battery | CR1632 (side-loading), ~20,000 h |
| Footprint | RMSc (Shield) |
| Housing | 7075 aluminium, IPX7 |
| Weight | ~1.0 oz (28 g) |
| SKU / MPN / UPC | SORX1200 / SORX1200 / — |
Which pistols does the SIG Sauer ROMEO-X Compact fit?
The SIG Sauer ROMEO-X Compact uses the RMSc footprint, so it fits RMSc-cut slides such as the SIG P365 family, Glock 43X/48, Hellcat and Shield Plus. Confirm your slide cut before ordering.
Is the SIG Sauer ROMEO-X Compact an open or enclosed red dot sight?
This is open-emitter; for a sealed M17/M18 optic see the ROMEO-M17.
Does the SIG Sauer ROMEO-X Compact co-witness?
The low deck height of the SIG Sauer ROMEO-X Compact supports co-witness with standard-height iron sights on compatible pistols.
What battery does the SIG Sauer ROMEO-X Compact use?
The SIG Sauer ROMEO-X Compact runs on a CR1632 cell (side-loading), ~20,000 h.
Every order is shipped from the UK with tracked delivery, with an estimated delivery time of 7–10 working days. Unused items in their original packaging can be returned within 30 days for a full refund.