Skip to product information
1 of 15

FOUR BROTHERS HOLSTERS

Ruger RXM 4.5" Duty & Competition Holster

Ruger RXM 4.5" Duty & Competition Holster

Regular price $87.00 USD
Regular price Sale price $87.00 USD
Sale Sold out
Shipping calculated at checkout.

Description

Ruger RXM 4.5" Duty & Competition Holster – OWB Performance Setup

This Ruger RXM 4.5" duty and competition holster is an Outside Waistband (OWB) design engineered for speed, stability, and consistent indexing. Built for competitive shooting, structured training, and light-duty applications, this holster delivers a secure fit with fast, repeatable draw performance.

Compatible with Ruger RXM pistols featuring a 4.5" barrel. Learn more about the platform here: Ruger RXM pistol models.

Precision Fit for Ruger RXM 4.5" Pistols

Each holster is vacuum-formed using a CAD-engineered mold designed for the Ruger RXM 4.5" firearm. This ensures a consistent, model-specific fit that balances secure retention with rapid presentation.

All holsters are manufactured, trimmed, and finished in-house, then test-fit with a Ruger RXM 4.5" handgun to verify retention and draw performance under real-world conditions.

Adjustable Retention for Performance Tuning

The fully adjustable retention system allows you to fine-tune draw resistance for competition speed, training consistency, or duty-oriented use.

Key Features

  • Custom-molded fit for Ruger RXM 4.5" pistols
  • OWB (Outside Waistband) light-duty & competition holster design
  • Optics-ready profile compatible with most red dot sights
  • Adjustable retention for performance tuning
  • Durable .093" thermoplastic construction
  • Open muzzle supports threaded barrels and compensators
  • Designed for speed, stability, and consistent indexing
  • Made in the USA

Competition and Duty Setup Options

This holster is compatible with a wide range of belt attachments and competition setups, allowing you to configure your system for range work, structured training, or match performance.

Browse compatible setups here: duty and competition holster collection.

Learn how to optimize your competition setup: competition setup guide.

Optics Compatibility

The holster profile is cut to clear most slide-mounted red dot optics, allowing you to run modern competition or duty configurations without interference.

Magazine Carrier Compatibility

The Ruger RXM platform uses Glock 19-pattern magazines, making it compatible with a wide range of magazine carriers for competition and training.

Holster Color Options

This Ruger RXM 4.5" duty and competition holster is available in a wide range of colors and patterns to match your gear and competition setup.

View all finishes here: holster color guide.

Maintenance and Setup

Check all mounting hardware and retention screws regularly to ensure consistent performance during training or competition.

After setup, apply a removable thread locker to screws to prevent loosening under repeated movement and recoil.

Frequently Asked Questions

Is this holster specifically built for the Ruger RXM 4.5"?

Yes. Each holster is CAD-designed and molded specifically for the Ruger RXM, then tested with a live firearm to confirm proper retention.

Will this holster work with a red dot sight?

The holster profile is cut to clear most red dot sights, including optics that overhang the side of the slide.

Can I adjust the retention?

Yes. The adjustable retention system allows you to tune draw resistance for competition or training.

Does this holster support threaded barrels and compensators?

Yes. The open-muzzle design accommodates threaded barrels, compensators, and similar muzzle devices.

Which magazine carriers are compatible?

The Ruger RXM uses Glock 19-pattern magazines and works with compatible IWB and OWB magazine carriers listed above.

How do I maintain the holster?

Inspect hardware regularly and apply a removable thread locker after adjustment to maintain secure performance.

Features

• Outside Waistband Holster specifically designed for USPSA, 3-Gun, Steel Challenge, and other competition shooting sports (May not be IDPA Legal)
• Holster purchase includes one belt attachment, based on your selected option
• Holster Retention is easily adjustable
• Molded with .093" thick thermoplastic for durability
• Profile cut to allow red dot sights
• Open Muzzle for threaded barrels and compensators
• Minimal material and smooth edges
• Proudly Made in the USA

Attachments

  • Duty Drop
  • Duty Drop & Thigh Strap
  • BOSS Hanger
  • Modular Holster Adapter

Duty & Competition Holster Attachments Explained

Made in the USA

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

Shipping & Returns

Terms of Service

View full details