Sig Sauer ROMEO4T Red Dot Sight – 1x20mm 2 MOA Red Dot Ballistic Circle Dot Reticle 0.5 MOA Hex Bolt Mount Black Matte
$549.99
Sig Sauer ROMEO4T Red Dot Sight
A tactical solar-powered red dot sight with a 2 MOA ballistic circle dot reticle, designed for firearms chambered in calibers such as 9mm, .40 S&W, and others. The MOTAC motion sensing technology automatically powers the sight up and down to conserve battery life. Features an anti-reflection lens coating for superior light transmission.
1 in stock
Tactical solar powered red dot sight with 100000+ battery life. Activated through motion sensing technology MOTAC immediately powers up illumination when it senses motion and powers down when it does not in order to extend battery life. Highly efficient ultra-wide broadband anti-reflection lens coatings reduce surface reflections to extremely low levels across the entire visible spectrum providing superior light transmission. Electro-Optics industrial design inspired by our legendary firearms; deflection armor trapezoidal surfacing breaks up the shape and visibility of the optic along with pistol slide serrations and grip checkering to add function to the form of all SIG SAUER electro-optics. (Electronic Component Limited 5 Year Warranty) Covers any defects in materials and workmanship in the electronic and Tritium components of illuminated riflescopes/sights pistol sights electronic sights flashlights lasers binoculars spotting scopes and rangefinders for five years from date of manufacture.
- Designed for modern semi-automatic pistols MSR platforms and shotguns
- Short and medium range engagements and recreational shooting across a wide range of calibers and light conditions
- Fully ruggedized and impact resistant for the toughest environments
- Ultra durable and lightweight 7075 aluminum main housing and components 1.41″ riser mount with additional lower 1/3 co-witness spacer
- Comes standard with solid and see-through lens covers and hex bolt mount
- Complete Mil-Spec 810G testing submersible up to 20 meters
- Runtime in excess of 100000 hours with solar and battery usage
- Ballistic Circle-Dot and Ballistic CirclePlex reticle options
- Users can select from 4 different integrated reticle options (Dot Circle-Dot Dot with Holds Circle-Dot with Holds)
- Unlimited eye relief to acquire aiming point and target regardless of eye position behind sight.
- MOTAC (Motion Activated Illumination) powers up or down when sensing motion
- Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime
- True co-witness QR mount and low mount included (co-witness 1/2 hex nut)
- Strong lightweight 7075 Aluminum housing
- Waterproof IPX-8 rated and fog-proof.
| Weight | 1.490 lbs |
|---|---|
| Dimensions | 7.750 × 4.800 × 3.500 in |
| Manufacturer | Sig Sauer |
| Finish | Black Matte |
| Magnification | 1x |
| Objective Lens | 20mm |
| Reticle | 2 MOA Red Dot Ballistic Circle Dot |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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