Sig Sauer P320 with TLR-1 HL Competition Holster

Sig Sauer P320 and Streamlight TLR-1 / TLR-1 HL / TLR-1 HP Duty & Competition OWB Holster

This Outside Waistband light-duty & competition holster is designed for the Sig Sauer P320 and Streamlight TLR-1, TLR-1 HL, or TLR-1 HP weapon-mounted light combination. The taco-style OWB design is built for range, competition, and light-duty configurations, with compatible competition belt mounting options, adjustable light-based retention, and durable .093-inch thermoplastic construction.

Sig Sauer P320 and Streamlight TLR-1 Compatibility

This light-bearing Duty & Competition OWB holster is confirmed to fit the Sig Sauer P320 M18, M17, Carry, Full Size, XFIVE (X5), and DH3 models when equipped with a Streamlight TLR-1, TLR-1 HL, or TLR-1 HP weapon-mounted light.

The holster retention is indexed on the weapon light rather than the pistol. The Sig Sauer P320 and Streamlight TLR-1, TLR-1 HL, or TLR-1 HP must therefore be used as a complete combination. The holster will not provide the intended fit or retention without the appropriate weapon light installed.

Important Fit Requirements and Exclusions

• Does not fit the Sig Sauer P320 and Streamlight TLR-1 HL-X configuration.
• Does not fit the Sig Sauer P320 and Streamlight TLR-1 HP-X configuration.
• Does not fit Sig Sauer P320 AXG models.
• Does not fit the Sig Sauer P320 Spectre Comp.

This holster was designed using the P320 key supplied with the Streamlight TLR-1 HL. Using a different light key may position the weapon light farther forward on the grip and shift the Sig Sauer P320 and Streamlight TLR-1 combination inside the holster.

Precision-Formed Duty & Competition Holster

Each holster is vacuum formed using a precision-machined mold developed from a CAD model of the actual firearm. Every holster is formed, trimmed, and folded in-house. Final fit and function testing is performed using the actual pistol and weapon light combination to verify proper fit and retention.

The adjustable retention system allows draw resistance to be set to personal preference. Normal dimensional variations between older and newer TLR-1, TLR-1 HL, and TLR-1 HP light bodies can affect fit, so the retention system is designed to accommodate these manufacturing tolerances.

Optics-Ready Sig Sauer P320 Competition Holster

The holster profile accommodates red dot sights, including the Sig Sauer ROMEO1 and the Trijicon SRO, making it suitable for optics-equipped P320 configurations used for competition, range, and light-duty applications.

Duty & Competition OWB Holster Features

• Outside Waistband light duty & competition taco-style design
• Compatible with the Henry Holsters TurboDrop OWB Drop Hanger
• Easily adjustable holster retention
• Available in right- and left-handed configurations
• Made from .093-inch thermoplastic for durability
• Optics-ready profile for red dot sights, including the Sig Sauer ROMEO1
• Designed for compatible competition belt mounting configurations
• Formed and assembled in the USA

Duty & Competition Holster Options

Compare additional firearm, weapon-light, and mounting configurations in the Four Brothers Duty & Competition OWB holster collection.

Competition Holster and Belt Attachment Guide

Holster and belt attachment selection can affect positioning, ride height, stability, and access during competition. Review our competition holster and belt attachment guide for additional information about selecting a holster and mounting configuration.

Sig Sauer P320 Magazine Carrier Options

Pair your Duty & Competition holster with a Sig Sauer P320 IWB magazine carrier or a Sig Sauer P320 OWB magazine carrier.

Holster Color Options

Compare available finishes and color choices in our Kydex holster color and finish guide.

Thread Locker Recommendation

We strongly recommend applying removable thread locker to each holster screw after receiving and configuring your holster. This helps prevent hardware from loosening or becoming lost during regular use.

Frequently Asked Questions

Which Sig Sauer P320 models are compatible with this Streamlight TLR-1 Duty & Competition holster?

The Sig Sauer P320 and Streamlight TLR-1 / TLR-1 HL / TLR-1 HP Duty & Competition OWB holster is confirmed to fit P320 M18, M17, Carry, Full Size, XFIVE (X5), and DH3 models. It does not fit P320 AXG models or the P320 Spectre Comp.

Does this holster fit the Streamlight TLR-1 HL-X or TLR-1 HP-X?

No. This holster does not fit the Sig Sauer P320 and Streamlight TLR-1 HL-X or TLR-1 HP-X configurations.

Can this P320 Duty & Competition holster be used without the Streamlight TLR-1 installed?

No. Retention is indexed on the weapon light rather than the pistol. A supported Streamlight TLR-1, TLR-1 HL, or TLR-1 HP must be installed on the Sig Sauer P320 for the holster to provide its intended fit and retention.

Which Streamlight key should be used with this P320 holster?

This holster was designed using the P320 key supplied with the Streamlight TLR-1 HL. Using a different light key may position the weapon light farther forward and change how the Sig Sauer P320 and Streamlight TLR-1 combination sits inside the holster.

Does this Duty & Competition holster fit the Sig Sauer P320 Spectre Comp?

No. This holster does not fit the Sig Sauer P320 Spectre Comp.

Is this holster available for left-handed shooters?

Yes. This holster is available in both right- and left-handed configurations. Select your preferred configuration when ordering.

Is this Sig Sauer P320 and Streamlight TLR-1 Duty & Competition holster optics ready?

Yes. The holster profile accommodates red dot sights, including the Sig Sauer ROMEO1.

Is the retention adjustable for competition use?

Yes. Retention is adjustable so draw resistance can be tuned to personal preference while accommodating normal dimensional variations among supported Streamlight TLR-1, TLR-1 HL, and TLR-1 HP light bodies.

• 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

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

Duty & Competition Holster Attachments Explained

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

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