Glock 20 & X300U OWB Holster

Glock 20 Holster – Fits Surefire X300U-A & X300U-B

Built for big-bore performance and dependable light-bearing carry, this holster is precision-molded for the Glock 20 with a Surefire X300U-A or X300U-B weapon light. Whether you prefer the quick-detach lever system of the A model or the rock-solid screw mount of the B, we’ve got you covered.

Each holster is made from durable Kydex and designed with full-length light support, secure retention, and optic-ready clearance. The profile is tuned for daily use—on the range, in duty gear, or as part of your backcountry loadout.

Key Features:

Fits Glock 20 with Surefire X300U-A or X300U-B

Optic cut for red dot compatibility

Adjustable retention for secure, confident carry

Compatible with our OWB mounting options, including QLS

Made in the USA. Molded and tested with the actual firearm and light combo

When you run a powerhouse like the Glock 20, you need gear that can keep up. This holster is ready for anything you throw at it.

Stay Sharp. Stay Ready.

Features:

• Full sweat guard
• Adjustable retention
  
• Made from .093" thick thermoplastic for durability
  
• Open Muzzle for threaded barrels or compensators 
• Minimal material and smooth edges to reduce printing.
  
• The holster is designed to accommodate a red dot sight mounted to the pistol
• Proudly made in the USA.

Our Belt Attachment Blog Article explaining the different options can be found here:

4BROS Four Brothers Holsters Outside Waistband Attachments Explained

*We strongly suggest you apply a removable thread locker to each screw of your holster after you receive it to prevent lost screws while the holster is in use.  

• Full Sweat Guard
• Adjustable Retention
• Profile cut to allow red dot sights
• Open Muzzle for threaded barrels and compensators
• Minimal material and smooth edges
• Proudly Made in the USA

• Tek-Lok
• Adjustable Paddle
• Sting Ray Belt Slide
• QLS Fork
• No Belt Attachment

OWB Belt Attachments Explained

Made in America. Founded, located, engineered, manufactured, and shipped from Northern Indiana.

Please review our Four Brothers Holsters Exchange, Return and Refund Policy

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