What’s Included | Specs | Pictures | Restrictions | Related Info
The ROMEO4XT-PRO is a compact rifle red dot that packs a lot of features into a small, lightweight package. The 4XT offers 50,000 hours of battery life from a standard AAA battery, several flip cover options, a killflash, and four swappable reticles. The included mount comes in at absolute height, but the included spacer can be installed to bring the optic up to a lower 1/3rd co-witness.
WHAT’S INCLUDED
SIG SAUER ROMEO4XT-PRO; killflash; clear flip-up covers; solid flip-up cover (front); rubber bikini lens cover; multitool; T10 Torx bit; mount spacer; long mount screws; cleaning cloth
![](https://img.trex-arms.com/wp/uploads/2023/01/Red-Dot-Zero-Target-RIFLE-scaled-with-new-QR-code-791x1024.jpg)
We include an 8.5″ x 11″ rifle zero target with every red dot. We recommend a 50/200 meter zero for most 5.56 rifles. (Click on the thumbnail for a printable version.)
How to Zero in 2 Minutes – Video – T.REX ARMS
SPECS
FEATURES
- Users can select from 4 different integrated reticle options (Dot, Circle-Dot, Dot with Holds, Circle-Dot with Holds)
- Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime
- 50,000 hour battery life
- Runs on readily available AAA batteries
- MOTAC (Motion Activated Illumination) powers up or down when sensing motion
- Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight
- Strong, lightweight aircraft-grade 7075-T6 aluminum housing
- Waterproof, IPX-8 rated, and fog-proof
View all the reticle options HERE.
Assembled in the USA.
View the User Manual HERE.
TECHNICAL SPECIFICATIONS
Overall Length | 77 mm |
Overall Width | 63 mm |
Height | 56 mm |
Weight | 7.4 oz |
Center Dot Size | 2 MOA |
Adjustment Increments | 0.5 MOA |
Illumination Settings | 9 Daytime / 3 NV |
Run Time | 50,000 hours |
Battery Type | (1) AAA |
Waterproofing | IPX 8 |
PICTURES
![](https://img.trex-arms.com/wp/uploads/2023/04/Rite-in-the-Rain-Sig-Romeo-8269-1-1040x585.jpg?auto=format,compress)
![](https://img.trex-arms.com/wp/uploads/2023/04/Rite-in-the-Rain-Sig-Romeo-8264-1-1040x585.jpg?auto=format,compress)
RESTRICTIONS
This product cannot be shipped outside the US due to E.A.R. regulations.
Our Most Recommended Rifle Upgrades – Help – T.REX ARMS
How Should You Set Up A Rifle? – Video –T.REX ARMS
LPVO Versus Red Dot + Magnifier – Video – YouTube