Surefire X-400 Ultra LED WeaponLight w/Green Laser Review

The Surefire X-400 Ultra LED WeaponLight w/Green Laser Made a Bold First Impression

In the world of tactical gear, few names carry the weight and reputation of Surefire. The Surefire X-400 Ultra LED WeaponLight w/Green Laser promises to be a top-tier addition to any serious user’s arsenal. This weaponlight combines a high-output LED, a bright green laser, and Surefire’s legendary durability into a single, compact package.

I needed a reliable weaponlight for nighttime hog hunting, a task where clear target identification is critical. Standard flashlights proved unwieldy, and integrated laser/light combos often lacked the necessary power or ruggedness. The promise of a 500-lumen beam and a highly visible green laser in the Surefire X-400 Ultra LED WeaponLight w/Green Laser was extremely appealing.

Unboxing the X-400 Ultra was an experience in itself. The unit felt substantial and incredibly well-built. The aerospace aluminum body had a reassuring heft, and the Mil-Spec hard-anodized finish looked like it could withstand anything. The ambidextrous switches felt solid and responsive, inspiring immediate confidence.

I considered the Streamlight TLR-2 HL G and the Crimson Trace Rail Master Pro. The Streamlight, while cheaper, didn’t have the same level of ruggedness, and the Crimson Trace lacked the raw power of the Surefire. Ultimately, the Surefire’s reputation for reliability and performance won me over, despite the higher price.

My first impression was one of excitement mixed with a touch of awe. The Surefire X-400 Ultra LED WeaponLight w/Green Laser felt like a serious piece of equipment, designed for serious use. I couldn’t wait to get it out to the field and see what it could do.

Real-World Testing: Putting Surefire X-400 Ultra LED WeaponLight w/Green Laser to the Test

First Use Experience

My initial testing ground was a local shooting range at night. I mounted the Surefire X-400 Ultra LED WeaponLight w/Green Laser on my AR-15 pistol and began running drills. The immediate difference was the ease of target acquisition in low-light conditions.

The X-400 Ultra performed flawlessly in slightly misty conditions. The tight beam cut through the humidity with surprising clarity. I found the ambidextrous switches easy to manipulate, even with gloved hands. The green laser was highly visible against the dark targets.

The intuitive controls meant that I spent very little time fumbling with the light. The ability to switch between light only, laser only, or a combination of both was invaluable. There were no issues during the first session and the zero of the green laser remained stable.

Extended Use & Reliability

After several months of regular use, the Surefire X-400 Ultra LED WeaponLight w/Green Laser continues to impress. It has accompanied me on numerous hog hunts in varying weather conditions. It has also seen use during several training classes.

The X-400 Ultra shows no signs of wear and tear, despite being subjected to mud, rain, and the occasional bump against branches. The anodized finish remains pristine, and the light’s functionality is unaffected. The O-ring and gasket seals have proven their worth in wet conditions, protecting the electronics from moisture.

Cleaning is simple: a quick wipe-down with a damp cloth is usually all that’s needed. I periodically check the mounting screws to ensure they remain tight. Compared to cheaper weaponlights I’ve used in the past, the Surefire is in a different league when it comes to durability and reliability. It’s a “buy once, cry once” investment that delivers on its promises.

Breaking Down the Features of Surefire X-400 Ultra LED WeaponLight w/Green Laser

Specifications

The Surefire X-400 Ultra LED WeaponLight w/Green Laser is a robust and feature-rich weaponlight. It integrates a high-output LED and a 5mW green laser aiming device into a single unit. It offers remarkable performance and versatility.

• Lumens: 500. This provides a bright, focused beam for excellent target identification.
• Laser Output: 5mW (505nM). The high-visibility green laser is easily seen in daylight and low-light conditions.
• Body Material: Aerospace Aluminum. This provides exceptional strength and durability while keeping weight to a minimum.
• Finish: Mil-Spec Hard Anodized. This protects against corrosion and abrasion, ensuring long-term reliability.
• Mounting System: Rail-Lock. This allows for rapid attachment and detachment to Universal or Picatinny rails.
• Activation: Ambidextrous Switching. This offers intuitive one-finger control for both left- and right-handed users.
• Weatherproofing: O-ring and Gasket Sealed. This protects against moisture and dust, ensuring reliable operation in all conditions.

These specifications combine to create a weaponlight that is both powerful and dependable. The high lumen output ensures clear visibility, while the green laser aids in rapid target acquisition. The robust construction ensures the X-400 Ultra can withstand the rigors of demanding use.

Performance & Functionality

The Surefire X-400 Ultra LED WeaponLight w/Green Laser excels at its intended purpose: providing reliable illumination and aiming capabilities in tactical situations. The 500-lumen beam is more than adequate for identifying targets at reasonable distances. The green laser is easily visible, even in daylight.

One strength is the ease of switching between light, laser, or combined modes. The ambidextrous switches are intuitive and easy to use. One weakness is the price. It is definitely on the high end, but the performance and durability justify the cost for serious users.

The X-400 Ultra meets and exceeds expectations for a high-end weaponlight. The light output is excellent, the laser is bright and accurate, and the overall build quality is top-notch. It offers a level of performance and reliability that cheaper alternatives simply can’t match.

Design & Ergonomics

The design of the Surefire X-400 Ultra LED WeaponLight w/Green Laser prioritizes functionality and durability. The aerospace aluminum body feels solid and well-made. The weight is noticeable but not excessive. It strikes a good balance between strength and maneuverability.

The ambidextrous switches are perfectly positioned for easy access. The Rail-Lock system makes mounting and dismounting the light quick and straightforward. There’s virtually no learning curve involved. Anyone familiar with weaponlights will find the X-400 Ultra intuitive to use.

Durability & Maintenance

The Surefire X-400 Ultra LED WeaponLight w/Green Laser is built to last. The robust construction and Mil-Spec hard-anodized finish ensure long-term durability. With proper care, it should provide years of reliable service.

Maintenance is minimal. Regular cleaning with a damp cloth is usually sufficient. Replacing the batteries is a simple process. I anticipate very few issues with repair, and Surefire’s reputation for customer service is excellent.

Accessories and Customization Options

The Surefire X-400 Ultra LED WeaponLight w/Green Laser comes with limited accessories. It includes the necessary hardware for mounting on Universal or Picatinny rails. Several optional Surefire switches can replace the standard ambidextrous switches for remote activation.

The X-400 Ultra is compatible with a wide range of firearms and rail systems. The green laser can be zeroed for precise aiming. Aftermarket accessories, such as pressure switches, are readily available.

Pros and Cons of Surefire X-400 Ultra LED WeaponLight w/Green Laser

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Who Should Buy Surefire X-400 Ultra LED WeaponLight w/Green Laser?

The Surefire X-400 Ultra LED WeaponLight w/Green Laser is perfect for law enforcement professionals, military personnel, and serious civilian shooters who demand the best in terms of performance, reliability, and durability. It’s ideal for anyone who needs a dependable weaponlight for tactical applications, home defense, or hunting in low-light conditions.

Casual shooters or those on a tight budget might find the X-400 Ultra overkill. Less expensive alternatives might suffice for occasional use. A quality set of back-up batteries is a must-have accessory.

Conclusion on Surefire X-400 Ultra LED WeaponLight w/Green Laser

The Surefire X-400 Ultra LED WeaponLight w/Green Laser is an outstanding weaponlight that delivers on its promises. It is a high-performance tool built to withstand the rigors of demanding use. The price is high, but the performance and reliability justify the cost for serious users.

The X-400 Ultra offers excellent illumination, a highly visible green laser, and unmatched durability. It’s a worthwhile investment for anyone who needs a top-tier weaponlight. I wholeheartedly recommend the Surefire X-400 Ultra LED WeaponLight w/Green Laser to anyone seeking the best weaponlight money can buy. Invest in your safety and tactical advantage today!

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