Deadly Customs Level 2 Surefire X300U-B Holster

When it comes to carrying your sidearm with confidence, reliability and retention matter above all else. The Deadly Customs Level 2 Surefire X300U-B Holster has been purpose-built for shooters who rely on the Surefire X300U-B and compatible clones, such as the popular Wadsn models. Unlike many universal-fit holsters that compromise on retention, security, or compatibility, this holster has been engineered from the ground up to provide a perfect fit, secure locking, and rapid access when you need it most.

What sets the Deadly Customs Level 2 Surefire X300U-B Holster apart is its unique retention system. Instead of relying solely on the pistol frame, the holster uses your attached light — the Surefire X300U-B — as the primary locking point. This means that no matter which pistol platform you prefer, as long as it’s equipped with the X300U-B (or a compatible clone), you’ll get consistent retention and a safe, reliable draw. For those who run the same torch across multiple weapons, this modular design is a game changer. One holster, multiple pistols — without compromise.

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🔒 Why Choose a Level 2 Retention Holster?

Retention levels matter when it comes to holster design. A standard friction-fit holster offers speed but can leave you exposed in dynamic environments. The Level 2 retention system on the Deadly Customs Level 2 Surefire X300U-B Holster provides a secure locking hood, ensuring your sidearm stays exactly where you want it — until you decide it’s time to draw.

The hood mechanism is simple yet highly effective: it locks in place automatically once your pistol is holstered. To release, you press down with your thumb and rotate the hood forward in one smooth, natural motion. This keeps your pistol secure during fast movement, physical contact, or unexpected snags, while still allowing rapid deployment when seconds count.

This added retention is especially valuable for:

• Airsoft players in close-quarters environments where grappling and gear grabs are common.

• Real-steel shooters who want extra peace of mind during training or competition.

• Anyone who demands maximum security without sacrificing speed.

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⚙️ Built for Compatibility & Performance

During development, the Deadly Customs team tested the X300U-B Holster extensively with more than 150 different pistols. Thanks to the light-bearing design, the fitment list is massive. The only pistols we found incompatible were:

• Full-size Desert Eagle

• ASG USW

• Hudson

Everywhere else, this holster excels — fitting larger frame pistols like the FNX series, models with wide trigger guardssuch as the AAP, and even classic designs with taller slides like the 1911. If you want one holster that adapts to multiple pistol types, this is a smart investment.

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🛠️ Construction & Materials

Every holster that leaves Deadly Customs is proudly manufactured in the UK using genuine 2mm P1 Kydex. This premium thermoplastic material is known for its:

• Durability: Withstands extreme use and heavy impacts.

• Rigidity: Retains shape and fitment even under stress.

• Weather resistance: Unaffected by heat, cold, or moisture.

• Lightweight build: Strong enough to protect your firearm, yet light enough to carry all day.

Each holster is cut, formed, and finished by hand using in-house designed moulds. This ensures consistency, precision, and quality control on every single unit. Unlike mass-produced holsters, you’re getting a piece of kit that has been checked, tested, and refined by shooters for shooters.

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🎯 Key Features of the Deadly Customs Level 2 X300U-B Holster

• Made from 2mm Thick Kydex – tough enough for years of use.

• Specifically designed for Surefire X300U-B (and clones like Wadsn).

• Level 2 Retention Hood – secure, reliable, and quick to release.

• Two Adjustable Retention Points – fine-tune the fit to your preference.

• RMR Cut – works seamlessly with slide-mounted optics.

• Tracer Compatibility – fits most small and medium-sized tracers.

• Suppressor-Height Sight Ready – accommodates taller sights with no issues.

• Threaded Barrel Friendly – no interference with extended or threaded barrels.

• Massive Compatibility – tested with over 150 pistols for maximum coverage.

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Light-Bearing Design: What You Need to Know

Light-bearing holsters operate differently from standard frame-retention holsters. Because this holster uses the X300U-B itself for retention, your pistol must always be equipped with the light for proper function. Without it, the gun will simply not lock in place.

If you don’t currently run a torch on your sidearm, we recommend exploring our DC-1 Series Holsters, which are designed for non-light-bearing pistols. However, if your setup includes the Surefire X300U-B or a compatible clone, this holster provides unmatched versatility and performance.

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Mounting Options & Compatibility

This holster is part of our DC-4 Series, which has been designed with modularity in mind. It attaches to any mounting platform that uses a 3-screw system, including but not limited to:

• Safariland

• Blackhawk

• FMA

• G-Code and G-Code RTI

• Blade-Tech

Whether you prefer a drop-leg setup, belt-mounted carry, or chest rig integration, you’ll find a compatible platform for your needs.

⚠️ Important Note on QLS Mounts: If you choose the holster with a QLS option, please remember it ships with only the male side of the QLS. For a complete setup, you’ll need to add a full QLS system to your basket from our holster mount section.

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Fine-Tuning Retention

Every holster ships with retention screws set to a reliable standard fit. But because every shooter has their own preferences, you can fine-tune the tension to achieve your perfect draw. We recommend adjusting carefully, then locking the screws in place with a small dab of Loctite or super glue to ensure long-term stability.

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Why Choose Deadly Customs?

Deadly Customs has built its reputation on producing some of the most durable, versatile, and field-tested Kydex holsters available today. Here’s why our customers trust us:

• In-house design & testing – every holster is developed using scans of real firearms, not generic templates.

• Hand-finished quality – each holster is checked for fit, function, and durability before it leaves the workshop.

• Shooter-focused innovation – our designs evolve constantly, informed by real-world use and feedback.

• UK-based manufacturing – built entirely in the UK to maintain quality standards.

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Conclusion

The Deadly Customs Level 2 Surefire X300U-B Holster is the ultimate solution for shooters running Surefire X300U-B lights or their compatible clones. With rugged Kydex construction, a Level 2 retention hood, and broad pistol compatibility, it’s a holster designed for serious use. Whether you’re on the airsoft field, at the range, or carrying professionally, this holster offers the balance of security, adaptability, and speed that every shooter needs.

When you need a holster that works as hard as you do, Deadly Customs delivers.

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