For over four decades, SureFire has set the standard in weapon‑mounted illumination. In the mid‑1980s, the company pioneered the dedicated handgun weapon‑mounted light (WML), transforming how shooters operated in low‑light environments.
For the first time, threat identification was no longer limited to handheld flashlights or ambient light. It was now seamlessly integrated into the firearm. This breakthrough gave both professionals and responsible citizens a decisive advantage.
Today, SureFire continues to advance that legacy with the release of the XC3 WeaponLight, a compact yet duty-ready handgun WML engineered for concealed carry and professional applications. The XC3 combines compact dimensions with rugged construction, delivering high performance and durability in a streamlined design.

The Philosophy of Weapon-Mounted Illumination
Before discussing the XC3, it’s worth revisiting why weapon‑mounted lights matter. Shooting is not just marksmanship, it’s informed decision‑making. Every trigger press depends on what the eyes reveal. In daylight, information is abundant; in low‑light, it changes dramatically.
A handgun‑mounted weapon light enhances target identification, threat discrimination, and situational awareness in low‑light conditions. Its high‑intensity beam can disrupt an aggressor’s night vision, while freeing the support hand for a stable two‑handed grip that improves recoil management and follow‑up accuracy.

A weapon‑mounted light offers real advantages, but its benefits are only fully realized with training. The Mantis Titan X is A great training tool that allows you to safely train in your homer. (Image: Eugene Nielsen)
A WML is an integral part of the weapon system, providing light in critical low-light situations without hindering the ability to shoot. It frees up a hand for other tasks and ensures the light is always aligned with the weapon. While it complements a flashlight, it doesn’t replace it. Your handheld light is your primary illumination tool. If you’re not justified in drawing your gun, you’re not justified in pointing a WML
When searching with a WML is warranted, baseboard and umbrella lighting techniques can help avoid muzzling non-threats by illuminating an area without aiming the gun directly at it. These techniques also offer additional advantages.
SureFire’s Legacy: From X300 to XC3
SureFire’s X300 series has earned its reputation as the benchmark for duty-grade handgun WMLs. Trusted by elite military units and law enforcement agencies worldwide, the X300 is renowned for ruggedness, reliability, and performance under the harshest conditions.
The XC3 builds on that legacy, distilling the X300’s most valued attributes into a smaller, lighter package optimized for concealed carry. It represents a thoughtful evolution: preserving SureFire’s uncompromising standards while addressing the needs of those who require a more compact form factor.

Compact but Mighty
Weighing just 2.65 ounces and measuring 2.6 inches in length, the SureFire XC3 is compact yet highly capable. Its precision-engineered LED delivers a peak output of 550 lumens and 7,200 candela, providing an optimal balance of brightness and beam distance. Every SureFire illumination tool, including the XC3, is rigorously tested in accordance with the ANSI/PLATO FL 1-2009 Standard, the recognized industry benchmark for evaluating flashlight performance.
The XC3’s Hybrid Beam features a sharply defined hotspot for positive target identification at a distance, complemented by a broad peripheral spill that enhances situational awareness. In practical use, it delivers sufficient intensity to impair an aggressor’s vision while simultaneously illuminating the surrounding environment. The beam is exceptionally clean, free from artifacts or irregularities.

The XC3 excels for close‑ to intermediate‑range engagements where positive identification is critical. Whether navigating a dark alley, room clearing, or responding to a sudden threat, the XC3 delivers.
The beam has a warmer color temperature compared to many competing lights. Warmer tones enhance natural color rendering, making surfaces and materials appear more accurate to the eye. While beam penetration in adverse conditions depends primarily on optical design and luminous intensity (candela), warmer wavelengths can reduce glare and improve contrast in specific environments such as fog.
Built Without Compromise
The XC3 is designed and assembled in the U.S., and precision‑built to deliver dependable illumination in demanding low‑light conditions.
True to SureFire’s legacy, it’s ruggedly constructed. The body is CNC machined from high-strength 7075-T6 aluminum and finished with Mil‑Spec Type III hard anodizing. The light has a scratch-resistant tempered borosilicate glass lens. It has an IPX7 waterproof rating, which means it withstands submersion to one meter for up to 30 minutes. There’s no need to worry about rain, splashing, or brief immersion impacting performance.

Intuitive Control
SureFire has long set the standard for WML switching, and the XC3 continues that tradition. Its tactile, ambidextrous controls offer both momentary‑on and constant‑on activation, ensuring rapid, reliable illumination under stress. Press and hold for momentary‑on, or press and release for constant‑on
The switches are intuitive, ergonomic, and designed for positive operation in high‑pressure scenarios. To prevent inadvertent activation when the firearm is stored in a case or bag, the light’s bezel can be rotated to a lockout detent position, temporarily disabling the switches.

Activating a handgun‑mounted light with the support‑hand thumb is the preferred technique, as it reduces the likelihood of a negligent discharge. Relying on the shooting‑hand index finger can increase risk under stress, but the XC3’s ambidextrous, ergonomically contoured press‑operation switches are engineered to mitigate that hazard and support safe, consistent operation.
Practical Power
The XC3 is powered by a single front-loading 123A lithium battery, delivering 1.75 hours of runtime. Battery changes are quick and straightforward, with the front-loading design eliminating the need to remove the light from the firearm.

In my field testing, the XC3 has consistently delivered outstanding performance. The light maintains peak brightness for about a minute before smoothly stepping down to a stable, sustained level that lasts through most of its runtime. This regulation prevents overheating while ensuring dependable performance during extended use. The XC3 has been pushed hard and it has never flickered.
Mounting & Holster Compatibility
The XC3 attaches securely to both Universal and Picatinny rails, ensuring compatibility with a wide range of handgun platforms. It ships with crossmembers for both, with the Universal (“U”) crossmember pre-installed. Both crossmembers can be rotated to offer additional fitment options, This versatility allows seamless integration into a wide range of pistols.
Because the XC3 closely matches the footprint of other leading compact WMLs, it’s compatible with many commercially available holsters already on the market, such as the oustanding Incog X IWB holster by Safariland and Haley Strategic Partners.

Real‑World Use Examples
For concealed carry, the XC3’s low‑profile design allows discreet carry while providing sufficient beam intensity to clearly identify hands and backgrounds in parking lots, vehicles, or hallways.
In home defense, its balanced output illuminates deep into hallways without glare or washout, preserving situational awareness and clarity in confined spaces. For duty or plainclothes use, responsive controls and rugged construction make the XC3 a dependable daily tool, combining durability with ease of operation in demanding conditions
The Final Verdict
From my evaluation, the XC3 demonstrates performance that exceeds most compact WMLs in its class. Its streamlined, no‑nonsense design delivers duty‑grade reliability and mission‑focused capability without compromise. The XC3 offers a balanced blend of durability, efficiency, and advanced functionality suited for real‑world operational use.
The XC3 carries an MSRP of $299 and is backed by SureFire’s lifetime warranty. It’s available for purchase directly through SureFire’s official website, as well as through a wide network of authorized dealers.
XC3 Key Features
- 550 lumens / 7,200 candela recoil-proof LED
- Hybrid beam pattern for balanced throw and spill
- Ambidextrous momentary- and constant-on switching
- Front-loading 123A lithium battery with 1.75-hour runtime
- Disable feature for safe storage and travel
- Secure attachment to Universal and Picatinny rails
- High-strength 7075-T6 aluminum body with Mil-Spec Type III hard anodizing
- IPX7 rated
- Lifetime warranty