
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer ROMEO ZERO 1x24 reflex sight brings compact red dot performance to carry guns, duty pistols, and slim-profile firearms without the bulk or weight of traditional full-size optics. Built on a weapons-grade ultralite polymer housing, this micro red dot is engineered for shooters who refuse to compromise on speed and accuracy in a concealed-carry or everyday-carry package. The 6 MOA red dot delivers fast target acquisition at close to mid-range distances, making it equally at home on a P365, single-stack 1911, or any pistol with a modern optics-cut slide.
What sets the ROMEO ZERO apart is its efficiency and runtime. The point-source LED emitter is eight times more efficient than conventional red dots, producing a crisp, clean dot without the bloat or halo that plagues lesser micro sights. Eight user-configurable illumination levels let you dial in brightness for daylight shooting or low-light carry. The real standout: a 10-year battery life that's unmatched in the micro reflex category—install it, forget it, and trust it works when you need it. Motion Activated Illumination System (MOTAC) powers the sight up when it senses movement and down when static, stretching that battery life even further.
The housing stippling matches P365 and P365XL grip texture for a seamless, integrated look on Sig's most popular carry guns. The SpectraCoat HD polymer lens is tough—10 times more impact resistant than traditional glass—so it stands up to the abuse of carry life and range work. Compatible with ROMEOZero Shield RMS-c footprint and J-Point footprint slides, the ROMEO ZERO offers real optics performance in a footprint that doesn't bloat your carry gun.
| Magnification | 1× |
| Objective Lens Diameter | 24mm |
| Reticle Type | Red Dot |
| Reticle Size | 6 MOA |
| Lens Coating | SpectraCoat HD Polymer |
| Housing Material | Weapons-Grade Ultralite Polymer |
| Color | Black |
| Illumination Levels | 8 user-configurable daytime levels |
| Battery Life | 10 years |
| Footprint Compatibility | ROMEOZero Shield RMS-c, J-Point |
The ROMEO ZERO mounts to slides cut for ROMEOZero Shield RMS-c footprint or J-Point footprint. It works well on compact and sub-compact carry guns, single-stack 1911s, and slim-profile pistols like the P365 and P365XL. It is not compatible with slides cut for the standard ROMEO1 mounting pattern.
The ROMEO ZERO offers a 10-year battery life—the longest of any micro reflex sight in its class. The Motion Activated Illumination System (MOTAC) further extends runtime by powering the sight down when no motion is detected, ensuring your battery is there when you need it.
Yes. The housing is built from weapons-grade ultralite polymer optimized for carry firearms, and the SpectraCoat HD lens is 10 times more impact resistant than traditional glass. It's designed to handle the rough-and-tumble of everyday carry and range use without failure.
The 6 MOA red dot covers approximately 6 inches at 100 yards. This size strikes a balance between speed of acquisition and precision—large enough to pick up quickly at close range, compact enough to deliver accurate shots from intermediate distances. It's ideal for defensive carry and general-purpose pistol shooting.

SKU: 115748671 • Width: 4.9in • Height: 1.1in • Depth: 7.8in • Weight: 0.14oz





Availability: In Stock
Current Stock: Out of stock
The Sig Sauer ROMEO ZERO 1x24 reflex sight brings compact red dot performance to carry guns, duty pistols, and slim-profile firearms without the bulk or weight of traditional full-size optics. Built on a weapons-grade ultralite polymer housing, this micro red dot is engineered for shooters who refuse to compromise on speed and accuracy in a concealed-carry or everyday-carry package. The 6 MOA red dot delivers fast target acquisition at close to mid-range distances, making it equally at home on a P365, single-stack 1911, or any pistol with a modern optics-cut slide.
What sets the ROMEO ZERO apart is its efficiency and runtime. The point-source LED emitter is eight times more efficient than conventional red dots, producing a crisp, clean dot without the bloat or halo that plagues lesser micro sights. Eight user-configurable illumination levels let you dial in brightness for daylight shooting or low-light carry. The real standout: a 10-year battery life that's unmatched in the micro reflex category—install it, forget it, and trust it works when you need it. Motion Activated Illumination System (MOTAC) powers the sight up when it senses movement and down when static, stretching that battery life even further.
The housing stippling matches P365 and P365XL grip texture for a seamless, integrated look on Sig's most popular carry guns. The SpectraCoat HD polymer lens is tough—10 times more impact resistant than traditional glass—so it stands up to the abuse of carry life and range work. Compatible with ROMEOZero Shield RMS-c footprint and J-Point footprint slides, the ROMEO ZERO offers real optics performance in a footprint that doesn't bloat your carry gun.
| Magnification | 1× |
| Objective Lens Diameter | 24mm |
| Reticle Type | Red Dot |
| Reticle Size | 6 MOA |
| Lens Coating | SpectraCoat HD Polymer |
| Housing Material | Weapons-Grade Ultralite Polymer |
| Color | Black |
| Illumination Levels | 8 user-configurable daytime levels |
| Battery Life | 10 years |
| Footprint Compatibility | ROMEOZero Shield RMS-c, J-Point |
The ROMEO ZERO mounts to slides cut for ROMEOZero Shield RMS-c footprint or J-Point footprint. It works well on compact and sub-compact carry guns, single-stack 1911s, and slim-profile pistols like the P365 and P365XL. It is not compatible with slides cut for the standard ROMEO1 mounting pattern.
The ROMEO ZERO offers a 10-year battery life—the longest of any micro reflex sight in its class. The Motion Activated Illumination System (MOTAC) further extends runtime by powering the sight down when no motion is detected, ensuring your battery is there when you need it.
Yes. The housing is built from weapons-grade ultralite polymer optimized for carry firearms, and the SpectraCoat HD lens is 10 times more impact resistant than traditional glass. It's designed to handle the rough-and-tumble of everyday carry and range use without failure.
The 6 MOA red dot covers approximately 6 inches at 100 yards. This size strikes a balance between speed of acquisition and precision—large enough to pick up quickly at close range, compact enough to deliver accurate shots from intermediate distances. It's ideal for defensive carry and general-purpose pistol shooting.
SKU: 115748671 • Width: 4.9in • Height: 1.1in • Depth: 7.8in • Weight: 0.14oz
