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X300U-B

T-Slot Mounting Rail

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$299.00
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X300 Ultra

Fits & looks great on my AR-15
Very well built, just not sure if it was worth the $

Reviewed by D.Whitt (Posted on 6/29/16)

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Great light

I had originally bought this light for my full size HK USP 45 but it didn't fit, so I just put it on my Glock 23 and it fits great! My only suggestion to the designers would be to make the on/off switch have a temporary on option, instead of having both switches be the permanent on. Other than that it is a blinding light. I love it!

Reviewed by Chris (Posted on 6/10/16)

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Only pistol light you will ever need

Works great on my sig sauer sp2022 fit great out of the box and is super bright.

Reviewed by Jeremy Thompson (Posted on 5/14/16)

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X300 Ultra

incredible brightness

Reviewed by end user (Posted on 5/13/16)

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Durable weapon light

Same form factor as the X300 we all know. Controls are stiff out of the box, takes getting used to. Overall good value, will last forever and long after product end of life as with all SureFire products.

Reviewed by Richard (Posted on 5/13/16)

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Super bright

It looks and works great on my hk vp9

Reviewed by Steve H (Posted on 3/17/16)

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Great pistol light

I bought this light for my Glock 17 and like all my SF lights it's an awesome light and this fits my Flock like a glove. Another great aspect of buying SF quality lights is you can always find accessories to fit them like holsters. I found both Raven & Bravo concealment make holsters to fit my gun and light
combo.

Reviewed by Leland of HB (Posted on 3/2/16)

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Weapon Light Value

Overall it's really hard to beat the value of this light... able to be mounted on a pistol or rifle, it has a great run time, light out-put, and is durable enough to take the abuse of everyday applications...
This is one of the things Surefire is known for... a highly durable, water resistant light, that can take almost anything that a person can throw at it... and if it happens to fail... Surefire is One company that will always fix, or replace it, with no questions asked...
Yet they don't stop there, they are always searching for ways to improve their products...

Great Light... Low Profile, Minimal Weight, and run time that can work all night...

Reviewed by Tim Thomas (Posted on 2/27/16)

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Decent Light

This light was received approximately 2 weeks ago and so far seems to be pretty good. Unfortunately, the battery cap door would not open and was later found to be defective. The clip where the latch secures to broke off very easily. The good news is Surefire immediately mailed out a replacement battery cap. However, I was on hold for over 1/2 hour the first time, then again the second time before finally leaving a message. It took over 24 hours to get a return call. In the end, Surefire made good on the replacement and the light is back up and in running condition.

Apparently this light is slightly wider than previous versions and as such some of the holster manufacturers are yet to come out with holsters for this weapon light. Some holster manufacturers even suggested returning the light and replacing it with an older model which is more compatible with various holsters. Only time shall tell if more holsters will become available in the future.

Reviewed by CELTICBEAST (Posted on 2/12/16)

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Happy Shooter

I like the previous version of this X300U, lots easy to pop in and out with spring tension, this new upgraded model with thumb screw, it hard to move the light from weapon to weapon with glove.

Reviewed by Stanley (Posted on 2/11/16)

Specifications

Max Output -- White Light600.0lumens
Tactical Runtime**1.5hours
Length3.60inches
Bezel Diameter1.125inches
Weight w/Batteries4.0ounces
Batteries2123A  (included)
*Runtime until output drops below 10% of maximum output

Description

X300U-B
X300U-B 084871324939
The powerful, virtually indestructible X300 Ultra WeaponLight was primarily designed for handguns but is also excellent for long guns and mounts securely to MIL-STD 1913 rail-equipped rifles via its newly enhanced T-slot mounting system. This top-selling WeaponLight features a high-performance LED that generates 600 lumens of stunning white light that’s focused by a Total Internal Reflection (TIR) lens to produce a high-intensity beam with extended range yet it provides significant surround light for peripheral vision in close quarters. The highly efficient virtually failure-proof LED generates tactical-level light—ideal for close- to long-range target identification—for 1.5 hours per set of batteries.

Activating the X300 Ultra is done via intuitive, ambidextrous switches—now wider and shorter for improved ergonomics—at the rear of the body. Simply press the switch on either side for momentary-on activation or flip up or down for constant-on activation. Optional DG grip switches (for handguns) and pressure-activated XT tape switches (for long guns) permit the X300 Ultra to be activated remotely.

The X300U-B can be securely attached to a handgun or a long gun via its new mounting system which incorporates a tightening screw and a T-slot mounting rail. Universal and Picatinny crossbar wedges are included for simple, foolproof installation. Its high-strength aerospace aluminum body—including the mounting system—is Mil-Spec hard anodized for superior toughness and its O-ring and gasket sealed to keep out dust and moisture.

FITS: The new T-slot mounting system fits most railed handguns (and rail-equipped long guns) but adapter mounts are available for some non-railed handguns—click here to view them.
Features
  • High-performance LED is regulated to maximize tactical-level output and runtime per set of batteries
  • TIR lens creates focused high-intensity beam for close- to longer-range applications
  • Integral aluminum T-slot mounting system offers rock-solid attachment to railed hand guns and long guns equipped with MIL-STD 1913 rails
  • Weatherproof—O-ring and gasket sealed
  • Construction—High-strength aerospace aluminum with Mil-Spec anodizing; coated, tempered window
  • Accepts optional DG pistol grip and XT remote long gun tape switches
  • Includes high-energy 123A batteries with 10-year shelf life

Related Information

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