Est. 2014 | USA Small Business

SureFire X300U-A WeaponLight | 1000 Lumens
FREE Delivery & Lifetime Warranty
☑️ Ships for FREE from Texas*
Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
- Free shipping is 3-10 days and requires a purchase of $70 or more, or choose a faster method at checkout. Be sure to account for the 0-2 days it will take us to pack and ship an order, in addition to the shipping speed you choose.
- All orders ship as soon as possible. We don't like waiting and you probably don't either.
- If there are delays: (Only if delays are in green, above, do we expect them), just know that we are on your side. If you're waiting, we're waiting for you, plus hundreds and sometimes thousands of others to finish being made.
- Shipping times are estimations. Items that are custom, delayed, rejected, or affected by other acts of god will take additional time.
☑️ Why shop with Atomic Defense?
- Highly-rated 4.8/5 star service with 1200+ reviews, and counting!
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- Open Monday to Friday. 9:00 AM to 4:00 PM Pacific.
- Lifetime Warranty.
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Address: 2491 Alluvial Ave. Clovis, CA 93611
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Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
- Starting a return/exchange: Click here
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SureFire X300U-A WeaponLight: Powerful, Durable, and Precision-Driven Lighting
- The SureFire X300U-A WeaponLight is a premium handgun weapon light designed for law enforcement, military, and personal use.
- Generates 1,000 lumens of intense LED light output, providing exceptional visibility and target identification in any situation.
- Equipped with a precision TIR lens, it delivers a focused beam with a larger center spot for improved close- to medium-range performance.
- Features an ambidextrous switch, allowing easy control of momentary-on and constant-on activation without disrupting your grip.
- Compatible with Universal and Picatinny rails, ensuring secure attachment to a wide variety of weapons.
- Designed to withstand tough conditions with a rugged, aerospace aluminum body, Mil-Spec hard anodized for durability and IPX7 waterproofing to 1 meter for 30 minutes.
- Includes Rail-Lock® and Lever Latch systems for quick and secure mounting or detachment.
- Accepts optional DG and XT remote switches for enhanced fingertip control without grip adjustment.
- Lightweight and compact design at just 4.0 ounces and 3.76 inches, making it easy to carry without compromising performance.
- SureFire's trusted engineering and dedication to quality ensure the X300U-A meets the highest standards, proudly built in the USA.
SureFire X300U-A WeaponLight Review
What are some common accessories to add to the SureFire X300U-A WeaponLight?
- DG Remote Tailcap Switches: Allow for pressure-activated light control without needing to change your grip on the weapon.
- XT Remote Tape Switch: Provides precision activation at the press of a button, ideal for rifles and carbines.
- Accessory Mount Adapters: Help secure the WeaponLight to various firearms with unique rail configurations.
- High-Capacity 123A Batteries: Backup batteries ensure your WeaponLight stays powered during extended operations.
- Lens Covers and Filters: Protect the lens from damage and provide adaptable lighting options like infrared or colored filters.
SureFire X300U-A WeaponLight Features and Specs
The SureFire X300U-A WeaponLight is a high-performance illumination tool designed for handguns and long guns. With a robust aluminum body, exceptional durability, and 1,000 lumens of LED-generated output, it is trusted by professionals worldwide. Its precision TIR lens offers excellent beam focus for close- to medium-range engagements, while the ambidextrous switching ensures quick and easy activation. Plus, it’s IPX7 waterproof and built to withstand harsh conditions without compromising performance.

Key Features
- 1,000 Lumens of powerful, high-output LED light.
- Custom TIR Lens for a far-reaching beam with a large center spot.
- Ambidextrous Switching for easy momentary or constant-on activation.
- Mounts securely to Universal and Picatinny accessory rails.
- Mil-Spec Hard Anodized Aluminum Body for extreme durability.
- IPX7 Waterproof to 1 meter for up to 30 minutes.
- Compatible with optional remote switches (DG and XT) for enhanced weapon control.
- Lightweight design, weighing only 4.0 oz (113 g) with batteries included.
What's in the box of the SureFire X300U-A WeaponLight?
- (1) SureFire X300U-A WeaponLight
- (2) 123A Lithium Batteries
- (1) Rail-Lock® Attachment System
- (1) User Manual
SureFire X300U-A WeaponLight FAQs
What type of batteries does the SureFire X300U-A Ultra-High-Output LED Handgun WeaponLight use?
The X300U-A uses two 123A lithium batteries, which are included with the product.
Is the SureFire X300U-A Ultra Handgun Weapon Light compatible with all pistols and rifles?
The X300U-A is designed to attach securely to both Universal and Picatinny accessory rails, making it highly compatible with a wide range of pistols and rifles.
How durable are the SureFire X300U-A Ultra Series LED WeaponLights with TIR Lens?
The X300U-A features a high-strength aerospace aluminum body with a Mil-Spec hard anodized finish, making it resistant to scratches, corrosion, and harsh weather conditions. It is also IPX7 waterproof, meaning it can be submerged up to 1 meter for 30 minutes.
How do I activate the Surefire X300U-A Ultra-High-Output LED Weapon Light, and can it be used ambidextrously?
The X300U-A includes ambidextrous momentary- and constant-on switching, allowing easy one-finger activation regardless of hand dominance.
How far can the SureFire X300U-A Ultra-High-Output LED Handgun WeaponLight (Black/Tan) beam reach?
The X300U-A has a beam distance of up to 213 meters, ensuring excellent performance for close to medium-range engagements.
Can I attach remote switches to the Surefire - X300U-A Ultra Weapon Light?
Yes, the X300U-A is compatible with optional pressure-activated DG and XT remote switches for precision control without altering your grip on the weapon.
What is the runtime of the SUREFIRE X300U-A Weaponlight - Tan/Black?
The X300U-A provides a high runtime of up to 1.25 hours of continuous use on two fully charged 123A lithium batteries.
Where is the SureFire X300U-A SureFire X300UA Handgun Weaponlight designed and built?
The X300U-A, like all SureFire products, is proudly designed and built in the USA.