Search  for anything...

SureFire X300 Ultra LED Handgun or Long Gun Weaponlight with T-Slot Mount

  • Based on 360 reviews
Condition: New
Checking for product changes
$299.99 Why this price?
Save $59.01 was $359.00

Buy Now, Pay Later


As low as $50.00 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Eligible for Return, Refund or Replacement within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Mass Distribution USA

Arrives May 9 – May 11
Order within 14 hours and 58 minutes
Available payment plans shown during checkout

Color: Black


Features

  • Special off-white high-performance LED produces 1, 000 lumens biased in the yellowish-green spectrum optimal for human vision
  • Precision TIR lens creates a smooth, tight beam with enough surround light for peripheral Illumination
  • Switching-ambidextrous push/toogle, Integral, ergonomic one-finger ambidextrous momentary - and constant -on Switching
  • Integral aluminum t-slot mounting System offers rock-solid attachment to railed hand guns and long guns equipped with MIL-STD 1913 rails
  • Construction: high-strength aerospace aluminum with Mil-Spec Anodizing; coated, tempered window
  • Light;Sticker;Batteries;Manual.Runtime White:1.25 hours. IPX7 waterproof to 1 meter for 30 minutes

Special Feature: Waterproof


Color: Black


Power Source: Battery Powered


Light Source Type: LED


Material: Material Aluminum


Special Feature: ‎Waterproof


Color: ‎Black


Power Source: ‎Battery Powered


Light Source Type: ‎LED


Material: ‎Material Aluminum


White Brightness: ‎1000 Lumens


Included Components: ‎Sticker, Light, Manual, Batteries


Product Dimensions: ‎3.6"D x 1.12"W x 1.12"H


Voltage: ‎6 Volts


Battery Cell Composition: ‎Lithium Metal


Item Weight: ‎4 ounces


Number of Batteries: ‎2 CR123A batteries required. (included)


Water Resistance Level: ‎Waterproof


Brand: ‎SureFire


Brightness: ‎1000 Lumen


Battery Description: ‎LED


Runtime: ‎1 hour


Style: ‎T-Slot Mount


Finish Type: ‎Black


Item Package Dimensions L x W x H: ‎8.7 x 4.72 x 1.61 inches


Package Weight: ‎0.2 Kilograms


Item Dimensions LxWxH: ‎3.6 x 1.13 x 1.13 inches


Brand Name: ‎SureFire


Model Name: ‎X300 Ultra


Number of Items: ‎1


Manufacturer: ‎Surefire


Part Number: ‎X300U-B-2M


Date First Available: November 13, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 9 – May 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Klarna Pay in 4
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • I mean, it’s Surefire
Color: Black
We’ve put these through the gauntlet of physical trauma through gun training, and they haven’t broken. Fantastic quality. You get what you pay for, and if you’re using it on something you’re using to protect your life or others’, don’t up want something you know will work when you most need it?
Reviewed in the United States on January 7, 2024 by Brittany Jones

  • Love having the best
I carry weapons and flashlights for work for the past 12 years and learned early on you get what you pay for. For my money there are only two brands you need to look at for abusive environments; Streamlight and Surefire. I am sure some of the other brands hold up but these two are proven over and over again. Now days I choose Surefire over Streamlight only because I have developed a weird love for their products and a pride of ownership from owning the best; not because I believe they are always worth the price premium over Streamlight. I have owned 3 X300 weapon lights and this is my favorite. The boost in lumens to 1k is nice but I really like the "B" mounting solution over the standard "A" model for anything other than a Glock. The A model fits like a glove on Glock models but could be awkward on other handgun models, especially a P226 or railed 1911. This fixes it. (It should be noted Streamlight has had this mounting solution for years). Now days if I were running strictly Glocks I would still prefer the A model for ease of mounting and removal but this is the better all around mount. Also something I think gets missed a lot of times... The Gen 5 Glocks quietly moved to a standard sized (1913) accessory rail slot. Using the "U" key slot still works just fine but if you want the tightest lockup use the "P" key slot in your x300. ... show more
Reviewed in the United States on October 4, 2022 by Nalcyon

  • A great duty light that can take a beating
Color: Black
Yes it is pricey but when you buy the x300 you can pick from a huge market of holsters and it will hold up to the test of abuse.
Reviewed in the United States on November 20, 2023 by Charles Pietzman

  • It just works
Color: Black
Excellent light, bright as hell and easy to use. I got the B model with a t slot rail. I have the A as well but don’t like it as much. It works excellent with my 320 and oz9 as well as on my shotgun. I would recommend the phlster switch button replacements if you have shorter fingers or small hands but for me it’s not much difference with or without them ... show more
Reviewed in the United States on January 22, 2023 by marlin

  • Excellent Tactical Light
Color: Black
Light is very intense and easy to operate. Mounts quickly to compatible firearms.
Reviewed in the United States on July 5, 2023 by Hapkido

  • High quality
Color: Black
Right out of the box you notice the quality. Mounted nicely to my Staccato P.
Reviewed in the United States on May 28, 2023 by daniel j. giese

  • battery changes
Color: Black
this light is an absolute beast when it comes to brightness. easy to operate, easy to install, and fits perfectly with my sidearm. my main gripe is that the batteries drain so fast. and i don't use this light as a flashlight in the dark. its rare that i pull it out to use, but with in 2 months time the batteries already need replacing. overall i would still continue to use it and buy more of. ... show more
Reviewed in the United States on February 22, 2024 by Gavin

  • For my Glock 21SF
Color: Black
The B format with the screw down tension is far superior to my older A format. This is a prefect for for all of my Glock polymer lowers and there is 100% NO rattle and fits snug and tight as expected. The 1,000 lumen is the reason I own multiple dedicated Surefires for all my handguns.
Reviewed in the United States on February 28, 2022 by Timothy

Can't find a product?

Find it on Amazon first, then paste the link below.