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Questions & Answers
Will this fit on a Sig MPX K? Expert Answer

Yes, this will work on a Sig MXC k, you might need a picatinny rail depending on where you want to mount it.

by Alex O., Gear Expert, November 12, 2021
Will this light fit on a fn 509 tactical Featured Answer

Yes I just put it on my 509 same frame as the T

by Pete, Verified Owner, January 3, 2019
Customer Reviews
Helpful Positive Review Great light. I own two. Third is on order. by Legacy Reviewer, Verified Owner, April 22, 2013
I am a local PD officer in SE Texas. Brightness and tugged was are a must for all our equipment. I have this light on my AR and my P226. Use it literally every single time I go to work. Outdoors it is perfect. No complainants what so ever. Insid...
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51/62 found this helpful
Helpful Positive Review the best there is by Dan, Verified Owner, March 8, 2022
Those saying this fits loose just don’t know how to mount it properly. It comes with everything you need to get a tight figment. I have two of these, one on a G17 and one on a P320. For me, a momentary and an always-on are the only two options I wa...
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3/3 found this helpful
Helpful Positive Review Surefire x300U-A by rif, Verified Owner, October 1, 2024
The Surefire x300U-A is an exceedingly well-manufactured weapon light. The quality of the beam (color and flood) is excellent. It has a momentary on-off switch and ambidexterous on-off controls, which are ergonomically placed. My main concern was whe...
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8/8 found this helpful
Helpful Positive Review SureFire delivers on light for FNX by Mphil333, February 24, 2024
Best in class product. In this hobby you get what you pay for.
1/1 found this helpful
Helpful Positive Review Fantastic light by Michael, March 8, 2024
This is my first Surefire after having some other brands. They say you get what you pay for, and it’s true here. The mounting systems are great, light is brighter than you’d think, and operation is intuitive
1/1 found this helpful
Helpful Positive Review Surefire x 300 by Surefire, Verified Owner, June 2, 2024
Amazing light,mounted on my springfield protegy, very bright and robust, well done surefire
1/1 found this helpful
Read All 176 Reviews

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SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A
Consumer Priority Service 2 Year TotalCare Warranty 250 to 499.99 ACC TC2-500
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Product Info for SureFire X300 Ultra LED Weapon Light

SureFire makes some of the most popular and well-known Pistol Weapon Lights on the market today. The best-selling powerful and versatile SureFire X300 Ultra LED Weapon Light (also known as the SureFire X300U, "U" for Ultra) features a high-performance LED that generates 1,000 lumens of white light focused by a Total Internal Reflection (TIR) lens to produce a tight beam with extended reach and significant surround light for peripheral vision. Trusted by police and military personnel worldwide, it's the perfect weapon light for close- to medium-range tactical situations. The virtually indestructible and highly efficient LED generates 1.5 hours of light on the highest setting. The high-strength aerospace aluminum body on the SureFire X300 Ultra LED Weapon Light is Mil-Spec hard anodized for superior toughness and is O-ring and gasket sealed to make it weatherproof. This SureFire weapon light is also versatile and can be attached to a pistol or a long gun since its Rail-Lock system permits rapid attachment to and removal from either Universal or Picatinny rails. Its integral ambidextrous push/toggle switch provides one-finger operation for either momentary or constant-on operation, ensuring that you have versatility in your hands with the SureFire X300 Ultra LED Weapon Light.image

WARNING: California`s Proposition 65

Specifications for SureFire X300 Ultra LED Weapon Light:

Manufacturer: SureFire
Light Output: 1000 lumens
Bulb Type: LED
Battery Type: CR123A
Beam Color: White
Gun Model: Universal
Diameter: 1.125 in
Length: 3.6 in
Weight: 4 oz
Bezel Diameter: 1.125 in
Gun Make: Universal
Battery Life: 1.25 hours
Weather Resistance: Yes
Finish: Anodized
Lens Material: Glass
Package Type: Box
Battery Quantity: 2
Included Accessories: Standard
Condition: New
Gun Type: Pistol
Mount Type: Picatinny
Application: Tactical
Attachment Type: Picatinny
Fabric/Material: High Strength Aerospace Aluminum

Features of SureFire X300 Ultra LED Weapon Light

  • Recoil-proof high-performance LED produces 1,000 lumens
  • Custom TIR lens creates smooth, far-reaching light with a larger center spot beam that is ideal for close- to medium-range engagements
  • Integral ambidextrous momentary- and constant-on switching provides easy instant activation
  • Attaches securely to both Universal and Picatinny accessory rails
  • IPX7 waterproof to 1 meter for 30 minutes
  • High-strength aerospace aluminum body is Mil-Spec hard anodized for extreme durability
  • Accepts optional pressure-activated DG and XT remote switches for precision control without altering grip on weapon

Package Contents:

  • SureFire X300 Ultra LED Weapon Light

SureFire X300 Ultra LED Weapon Light Orderable Models

List of Orderable Models

SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A , MPN: X300U-A , UPC: 084871319065 , Code: FS-FLW-X300U-X300U-A
SureFire X300 Ultra LED Weapon Light, Tan, X300U-A-TN , MPN: X300U-A-TN , UPC: 084871320252 , Code: FS-FLW-X300U-X300U-A-TN

SureFire X300 Ultra LED Weapon Light Unavailable & Discontinued Models

List of Unorderable Models

DEMO, SureFire X300 Ultra LED Weapon Light, 1000 lumens, Black, X300U-A , MPN: X300U-A-DEMO , Code: FS-FLW-X300U-X300U-A-DEMO
SureFire X300 Ultra LED Weapon Light, 600 Lumens, Black X300U-A-600 , MPN: X300U-A-600 , UPC: 923446 , Code: FS-FLW-X300U-X300U-A-600
USED SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A, EDEMO28, Used, Condition Fair , MPN: X300U-A-EDEMO28 , Code: FS-FLW-X300U-X300U-A-EDEMO28
USED SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A, EDEMO38, Used, Condition Fair , MPN: X300U-A-EDEMO38 , Code: FS-FLW-X300U-X300U-A-EDEMO38
USED SureFire X300 Ultra LED Weapon Light, Tan, X300U-A-TN, EDEMO10, Used, Condition Fair , MPN: X300U-A-TN-EDEMO10 , Code: FS-FLW-X300U-X300U-A-TN-EDEMO10
USED, SureFire X300 Ultra LED Weapon Light, Tan, X300U-A-TN , MPN: X300U-A-TN-EDEMO , Code: FS-FLW-X300U-X300U-A-TN-EDEMO-DF-F
DEMO, SureFire X300 Ultra LED Weapon Light, 1000 lumens, Tan, X300U-A-TN , MPN: X300U-A-TN-DEMO , Code: FS-FLW-X300U-X300U-A-TN-DEMO
USED SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A, EDEMO37, Used, Condition Good , MPN: X300U-A-EDEMO37 , Code: FS-FLW-X300U-X300U-A-EDEMO37
USED SureFire X300 Ultra LED Weapon Light, Tan, X300U-A-TN, EDEMO11, Used, Condition Like New , MPN: X300U-A-TN-EDEMO11 , Code: FS-FLW-X300U-X300U-A-TN-EDEMO11
USED, SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A , MPN: X300U-A-EDEMO , Code: FS-FLW-X300U-X300U-A-EDEMO-RE-A
USED, SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A , MPN: X300U-A-EDEMO , Code: FS-FLW-X300U-X300U-A-EDEMO-RE-B
USED, SureFire X300 Ultra LED Weapon Light, Black, NSN 6230-01-617-8332, X300U-A , MPN: X300U-A-EDEMO , Code: FS-FLW-X300U-X300U-A-EDEMO-OT-D
SureFire X300 Ultra LED Weapon Light, 1000 lumens, Black w/ Unity Tactical EXO, X300U-A-KIT1 , MPN: X300U-A-KIT1 , Code: FS-FLW-X300U-X300U-A-KIT1
USED, SureFire X300 Ultra LED Weapon Light, Tan, X300U-A-TN , MPN: X300U-A-TN-EDEMO , Code: FS-FLW-X300U-X300U-A-TN-EDEMO-RE-B

Legacy Reviews were written prior to the latest upgrade of our Review System. During the data transfer we were unable to preserve nicknames, authors, or helpful scores for older reviews. For this reason, we have declared the author for all reviews created in the old system as "Legacy Reviewer". In addition, due to different content standards,we want to make sure our valued customers know these reviews had lesser requirements than reviews written today do.

Proposition 65 Warning for California Consumers

For more information go to www.p65warnings.ca.gov

Notification

WARNING: This product can expose you to N,N-Dimethylacetamide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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