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SureFire X300U-A/ X300V Light Mount Parts Kit Up to $1.50 Off — 2 models

SureFire X300U-A/ X300V Light Mount Parts Kit, Black, Z89
SureFire X300U-A/ X300V Light Mount Parts Kit, Tan, Z89-TN
SureFire X300U-A/ X300V Light Mount Parts Kit, Black, Z89
1 of 2 images
SureFire X300U-A/ X300V Light Mount Parts Kit, Black, Z89
SureFire X300U-A/ X300V Light Mount Parts Kit, Tan, Z89-TN
2 of 2 images
SureFire X300U-A/ X300V Light Mount Parts Kit, Tan, Z89-TN

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Questions & Answers
Can I use this kit to convert my X300U-B to an “A” version? Manufacturer Answer

No, you cannot covert X300U-A to X300U-B. Thank you for considering SureFire!

by SureFire, Manufacturer, June 29, 2022
Does this have the adapters for handgun rails that don’t fit my surefire X300A?? Manufacturer Answer

No, it does not. Thank you for considering SureFire!

by SureFire, Manufacturer, June 29, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
works great by AD, Verified Owner, July 19, 2026
Solid lock up. Does exactly what I need it to do. Solid option for mounting to any platform
Most Recent Reviews
Good order by Ryan whit, Verified Owner, June 2, 2026
Went well worked as expected happy over all. It did its job, and when you fill out these reviews they give you sick discounts
Most Recent Reviews
Surefire mount kit by Paul, Verified Owner, May 13, 2026
Keep your light on your gun with new hardware for the surefire x300. Through time and abuse i lost screws and the spring wasn't as strong as once was. The kit fixed that problem and optic planet had the part, now I'm up and running again.
Most Recent Reviews
Exactly what I needed by Grayson, Verified Owner, January 17, 2026
Every piece I needed to rebuild my light was included
Most Recent Reviews
Good products by Hero boy, Verified Owner, October 8, 2025
Works well and as advertised. Shipped very quickly. There's reallu nothing more that needs to be said.
Most Recent Reviews
Expensive but work by R10T, Verified Owner, September 21, 2025
a lot of money for some plastic parts but they are well engineered and fit perfectly
Read All 19 Reviews
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Product Info for SureFire X300U-A/ X300V Light Mount Parts Kit

SureFire offers Z89 and Z89-TN parts kits to provide X300 A-series handgun WeaponLight users with genuine OE replacement parts. There's no need to source poor-quality or misfit parts for your X300A model. SureFire has you covered!image

WARNING: California`s Proposition 65

Specifications for SureFire X300U-A/ X300V Light Mount Parts Kit:

Manufacturer: SureFire
Fabric/Material: High-Strength Polymer
Finish: Mil-Spec Hard Anodized
Weight: 1.6 oz
Flashlight Model: X300V, X300U-A
Condition: New

Package Contents:

  • SureFire X300U-A/ X300V Light Mount Parts Kit
  • 6 ea. SHC Screw 2-56 x 5/16
  • 1 ea. SHC Screw 2-56 x 5/8
  • 1 ea. Slide Latch Universal
  • 1 ea. Slide Latch Lock
  • 1 ea. Rail Interface Right Side
  • 1 ea. Rail Interface Left Side
  • 1 ea. Slide Latch Picatinny
  • 1 ea. Lock Actuator
  • 1 ea. Lever Latch X200/X300 Picatinny
  • 1 ea. Lever Latch Univeral
  • 1 ea. Crest to Crest Spring
  • 1 ea. Loctite Adhesive 242 .5ml
  • 1 ea. Hex Wrench 5/64

SureFire X300U-A/ X300V Light Mount Parts Kit Orderable Models

List of Orderable Models

  • SureFire X300U-A/ X300V Light Mount Parts Kit, Tan, Z89-TN , MPN: Z89-TN , UPC: 084871331265 , Code: FS-WLA-MPK1-Z89-TN
  • SureFire X300U-A/ X300V Light Mount Parts Kit, Black, Z89 , MPN: Z89 , UPC: 084871328937 , Code: FS-WLA-MPK1-Z89
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Last updated 2026-09-10 UTC.