Your Satisfaction, Our Priority: At Four Brothers Inc., customer satisfaction is at...
🔧 Don't forget Thread Locker — $1.50
Keep your holster hardware secure against vibration and loosening
✓ Added to your order!
$0.00 USD
FOUR BROTHERS HOLSTERS
Couldn't load pickup availability
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.
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.
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.
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.
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.
Compare additional firearm, weapon-light, and mounting configurations in the Four Brothers Duty & Competition OWB holster collection.
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.
Pair your Duty & Competition holster with a Sig Sauer P320 IWB magazine carrier or a Sig Sauer P320 OWB magazine carrier.
Compare available finishes and color choices in our Kydex holster color and finish guide.
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.
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.
No. This holster does not fit the Sig Sauer P320 and Streamlight TLR-1 HL-X or TLR-1 HP-X configurations.
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.
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.
No. This holster does not fit the Sig Sauer P320 Spectre Comp.
Yes. The holster profile accommodates red dot sights, including the Sig Sauer ROMEO1.
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
Made in America. Founded, located, engineered, manufactured, and shipped from Northern Indiana.
Please review our Four Brothers Holsters Exchange, Return and Refund Policy
Please review our Four Brothers Holsters Terms of Service
To tight for easy release and uncomfortable
This is a sturdy holster, but it is extremely bulky. I havent found a way to not print with it. Retention and fitment is good. But concealability is not there. Might as well be an OWB.
fits like a glove! absolutely love it!! best thing was how fast the shipping was!
For those who know , know
5 stars because I have tested every RXM holster. 4bros is the best fit. 1 down side is the monoblock clip is one notch higher than the missing. This articulation causes the holster to ride outward. Drilling an extra hole above greatly resets the position making this perfect!
