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Gemtech 9mm Male 3-Lug Adapter – 1/2x36 Thread | HK-Style Suppressor Mount
Engineered for precision. Built for performance. This 9mm male 3-lug adapter with a 1/2x36 thread pitch is your go-to solution for quickly attaching and detaching suppressors or muzzle devices on 9mm barrels. Designed with HK-style compatibility in mind, it delivers smooth installation, reliable fitment, and the durability shooters demand in the field or on the range.
Product Overview
If you're running a 9mm barrel with a 1/2x36 thread and want to equip a suppressor with a 3-lug mount, this adapter bridges that gap with unmatched ease. Made from high-strength steel and treated with a corrosion-resistant black nitride finish, this component ensures long-lasting performance and minimal maintenance.
Whether you're upgrading your PCC, subgun, or AR-9 platform, this adapter turns threaded barrels into fast-attach suppressor-ready systems — without compromising accuracy or aesthetics.
Key Features
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Compatible Thread Pitch: 1/2x36 TPI – standard for many 9mm AR platforms and barrels
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HK-Style 3-Lug Interface: Fits suppressors and mounts that accept male 3-lug attachments
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Durable Construction: Precision-machined from heat-treated steel
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Corrosion-Resistant Finish: Black nitride coating provides extended service life
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Secure Fit: Tight tolerances ensure reliable performance with minimal wobble
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Quick Attach/Detach: Ideal for rapid suppressor swaps without thread wear
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Made for 9mm Systems: Perfect match for AR-9, MP5-style builds, and other 9mm carbines
Why Choose This Adapter?
Suppressor setups should be seamless — not stressful. This 3-lug adapter simplifies your configuration by offering fast, tool-free mounting while maintaining alignment and gas seal integrity. Unlike cheaper alternatives, this unit is manufactured to exacting specs, ensuring compatibility and safety with your 9mm suppressor system.
Ideal for tactical shooters, enthusiasts, or anyone needing rapid suppressor deployment on a threaded 9mm barrel, this adapter is a must-have accessory.
Perfect Compatibility
This adapter is fully compatible with:
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Suppressors using HK-pattern 3-lug mounts
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9mm barrels threaded in 1/2x36 TPI
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AR-style PCC builds, MP5 clones, and custom 9mm carbines
Specifications
| Attribute | Value |
|---|---|
| Caliber | 9mm |
| Thread | 1/2x36 TPI |
| Mount Style | Male HK-Style 3-Lug |
| Material | Hardened Steel |
| Finish | Black Nitride |
| Weight | Approx. 1.8 oz |
| Compatibility | 9mm suppressors & muzzle devices with 3-lug female interfaces |
Installation Tips
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Ensure your barrel is properly threaded in 1/2x36 TPI
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Use a torque wrench if needed — hand-tightening is often sufficient
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Clean threads before install for best fit and retention
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Pair with thread-locker for more permanent applications
FAQs
Q: Will this adapter fit a 1/2x28 threaded barrel?
No, this adapter is specifically designed for 1/2x36 threads. For 1/2x28 barrels, a separate model is required.
Q: Is this compatible with Gemtech suppressors?
Yes, as long as the suppressor uses a female 3-lug HK-style mount, it will attach securely.
Q: What materials is it made from?
It’s machined from heat-treated steel and finished with a black nitride coating for corrosion resistance.
Q: How do I clean or maintain it?
Wipe it down with a light solvent after shooting, especially after suppressed use. Avoid abrasive brushes on the nitride finish.
Q: Is this adapter rated for full-auto?
Yes — the steel construction and secure interface make it suitable for semi-auto and full-auto applications.
Ready to Upgrade Your 9mm Setup?
This 9mm male 3-lug adapter with a 1/2x36 thread pitch is the missing link between your barrel and your suppressor. Whether you're chasing fast target transitions or reducing range noise, you’ll get seamless function, rugged durability, and unmatched compatibility.