What calibers and thread pitches are available?

Gemtech flash hiders are available for 5.56/.223 (1/2x28) and 7.62/.308 (5/8x24 and M15x1mm RH) to match common AR and HK rifle threads.

Are Gemtech flash hiders compatible with all suppressors?

They are designed for Gemtech suppressors using the Quickmount system. Check your suppressor model for specific compatibility before purchase.

Will these fit HK rifles?

Yes. The M15x1mm RH variants fit HK-pattern rifles such as the HK91, G3, and SR9. Always confirm your barrel’s thread pitch.

Gemtech Flash Hiders – Quickmount Suppressor Mounts | Mounts Plus

Q: Can I install a Gemtech flash hider myself?

Yes. Install like a standard muzzle device and use shims or a crush washer to ensure proper timing and alignment.

Q: Do Gemtech flash hiders reduce recoil?

No. They are flash hiders and Quickmount hosts; their purpose is reducing visible flash and providing a suppressor mount, not recoil reduction.

**Gemtech 7.62 ETM Flash Hider – 5/8x24 Muzzle Device** $75.56

**Gemtech 7.62 Flash Hider – M15x1mm RH** $95.40

**Gemtech 5.56 ETM Flash Hider – 1/2x28 Thread** $63.51

**Gemtech 5.56mm Flash Hider – 1/2x28** $105.32

Gemtech Flash Hiders – Quickmount Suppressor Mounts

Upgrade your rifle with a Gemtech flash hider, designed to cut down visible muzzle flash while serving as a reliable Quickmount suppressor host. Whether you’re running a 5.56 AR-15, a 7.62 AR-10, or an HK rifle with M15x1mm threading, Gemtech’s flash hiders deliver precision fit, durability, and suppressor compatibility in one rugged package.

Each Gemtech flash hider is built from high-strength steel and finished with corrosion resistance to withstand heavy use. The Quickmount system lets you go from suppressed to unsuppressed shooting in seconds, making these muzzle devices an ideal choice for both tactical and recreational shooters.

Why Choose a Gemtech Flash Hider?

Proven Design – Engineered to reduce flash and improve low-light performance.
Quickmount System – Secure attachment point for Gemtech suppressors.
Versatile Fit – Available in 5.56 (1/2x28), 7.62 (5/8x24), and HK-pattern M15x1mm threading.
Built to Last – Precision machining and durable finish ensure long service life.
Trusted Brand – Gemtech has decades of experience in suppressor technology.

Popular Options

Gemtech 5.56 Flash Hider (1/2x28) – Perfect for AR-15 rifles chambered in 5.56/.223.
Gemtech 7.62 Flash Hider (5/8x24) – Made for AR-10s and other .308/7.62 NATO platforms.
Gemtech 7.62 Flash Hider (M15x1mm RH) – Designed for HK rifles like the HK91, G3, and SR9.

Built for AR and HK Platforms

From AR-15s threaded 1/2x28 to HK rifles with M15x1mm RH barrels, Gemtech flash hiders give you the flexibility to run suppressed or unsuppressed without changing your setup. These devices don’t just reduce flash — they unlock the full Quickmount system so you can expand your rifle’s capability with Gemtech suppressors.

FAQ

What calibers are Gemtech flash hiders available for?
Gemtech makes flash hiders for both 5.56mm/.223 (1/2x28) and 7.62/.308 (5/8x24, M15x1mm RH).

Do Gemtech flash hiders work with all suppressors?
They’re designed for Gemtech suppressors using the Quickmount system. Always confirm compatibility with your specific model.

Can I install a Gemtech flash hider myself?
Yes. Installation is similar to other muzzle devices. You’ll need the proper shims or a crush washer to ensure correct timing.

Are these compatible with HK rifles?
Yes. The M15x1mm RH model fits HK rifles like the HK91, G3, and SR9.

Do Gemtech flash hiders reduce recoil?
No. They’re designed to reduce visible flash and act as suppressor mounts, not as muzzle brakes for recoil control.