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SureFire x300U-B Ultra High Outpost Handgun Light 1000 Lumen (T-Slot Clamp)
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$299.99
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SKU: x300U-B-TN-084871324946
Overview
Built for handgun setups that demand a powerful weapon light, this model combines 1,000 lumens of LED output with a precision TIR lens to project a focused beam with a larger center spot and broad peripheral spill. It is suited to low-light identification work and general situational awareness when a bright, controlled light source is needed on the rail. Ambidextrous momentary and constant-on switching supports fast operation, while the secure attachment system is designed for Universal and Picatinny accessory rails. The aluminum body with Mil-Spec hard anodizing and IPx7 waterproof rating add durability, and optional remote switches are available for users who want more control without changing their grip.
Why Hunters Choose the Sure Fire
Produces 1,000
Lumens of LED-generated output for
Precision Tir
A larger center spot
Extensive Peripheral
Illumination for better situational awareness
Integral Ambidextrous
Switching supports momentary and constant-on
Attaches Securely
To Universal and Picatinny accessory
Key Features
- Special high-performance LED produces 1,000 lumens of output.
- Custom TIR lens creates a smooth, far-reaching beam with a larger center spot.
- Integral ambidextrous switching supports momentary-on and constant-on operation.
- Attaches securely to Universal and Picatinny accessory rails.
- IPx7 waterproof to 1 meter for 30 minutes.
- High-strength aerospace aluminum body with Mil-Spec hard anodizing.
- Accepts optional DG and xT remote switches for precision control.
Best Used For
- Handgun users needing a bright weapon light for identifying threats at extended distances
- Hunters or outdoorsmen wanting added peripheral illumination for better situational awareness
- Users who prefer ambidextrous momentary and constant-on switching on a rail-mounted light
- Those needing a waterproof handgun light for wet conditions and short-term submersion
- Shooters seeking optional remote switch compatibility without changing their grip
Specifications
| Beam Type | Far-reaching high-intensity beam with larger center spot |
|---|---|
| Blade Finish | Mil-Spec Hard Anodized |
| Body Material | High-strength aerospace aluminum |
| Clamp Type | T-Slot Clamp |
| Lens | Precision TIR lens |
| Light Source | LED |
| Lumens | 1000 |
| Rail Compatibility | Universal and Picatinny accessory rails |
| Remote Switch Compatibility | Optional DG and xT remote switches |
| Switching | Integral ambidextrous momentary- and constant-on switching |
| Water Resistance | IPx7 waterproof to 1 meter for 30 minutes |
Pros
- Produces 1,000 lumens of LED-generated output for bright illumination
- Precision TIR lens creates a smooth, far-reaching beam with a larger center spot
- Provides extensive peripheral illumination for better situational awareness
- Integral ambidextrous switching supports momentary and constant-on operation
- Attaches securely to Universal and Picatinny accessory rails
- IPx7 waterproof rating to 1 meter for 30 minutes
Considerations & Trade-offs
- The 1,000-lumen output and far-reaching beam are designed for high-intensity illumination, so it may be more light than needed for close-range use or low-signature applications.
- It is built for Universal and Picatinny accessory rails, so compatibility depends on the rail system on the handgun.
- The light uses integral ambidextrous momentary- and constant-on switching, which is straightforward but may not suit users who prefer a different control setup.
- Optional DG and xT remote switches are supported, but they are not included and add another purchase if remote activation is desired.
Suggested Comparisons
- Handgun weapon lights
- Rail-mounted tactical lights
- Weapon-mounted illumination accessories
Suggested Accessories
- Weapon light
- Pressure switch
- Rail mount adapter
- Battery
Frequently Asked Questions
What output does the SureFire x300U-B provide?
It is listed with a special high-performance LED that produces 1,000 lumens.
What kind of beam pattern does this light use?
The product description says it uses a precision TIR lens to create a smooth, far-reaching beam with a larger center spot and peripheral illumination.
How does the light mount to a handgun or rail system?
It attaches securely to both Universal and Picatinny accessory rails using a T-slot clamp.
Does the x300U-B have momentary and constant-on operation?
Yes. The product lists integral ambidextrous momentary- and constant-on switching.
Is the SureFire x300U-B waterproof?
Yes. It is listed as IPx7 waterproof to 1 meter for 30 minutes.