Gemtech 5.56mm Flash Hider – 1/2x28
Not Yet Rated | Write the First Review SKU: 222-GEM-12145
UPC: 609224000000
MFG#: 12145

Gemtech 5.56mm Flash Hider – 1/2x28

The Gemtech 5.56mm Flash Hider (1/2x28) is engineered for AR-15 and other 5.56/.223 platforms, giving you a reliable way to cut down visible muzzle flash while maintaining a secure quick-mount interface. Precision machining ensures a perfect fit, and the proven design reduces signature in low-light shooting.

If you’re running a Gemtech suppressor, this flash hider doubles as a quickmount host, letting you go from suppressed to unsuppressed in seconds. It’s built tough for heavy use and threaded in the industry-standard 1/2x28 pattern, so it works with most AR-15 barrels right out of the box.

Why Choose the Gemtech 5.56mm Flash Hider?

• True Compatibility – Standard 1/2x28 threads fit most 5.56 and .223 AR-15 rifles.

• Dual Function – Works as a standalone flash hider and as a quickmount adapter for Gemtech suppressors.

• Durability – Machined from high-strength steel with a corrosion-resistant finish.

• Performance – Effectively reduces visible muzzle flash for better low-light control.

Specifications

• Model: Gemtech 5.56mm Flash Hider

• Thread Pitch: 1/2x28 (right-hand)

• Caliber: 5.56mm / .223 Remington

• Finish: Black, corrosion-resistant coating

• Mounting: Quickmount suppressor interface

Built for AR-15 Owners

Whether you want a reliable flash hider for your AR-15 or a rugged mount for your Gemtech suppressor, this 5.56mm quickmount checks every box. Its combination of strength, precision, and compatibility makes it a go-to choice for serious shooters.

FAQ

Will this flash hider fit any AR-15?
Yes, as long as the barrel is threaded 1/2x28, which is the standard for most 5.56/.223 AR-15 platforms.

Does it work with Gemtech suppressors?
Absolutely. It’s designed as part of the Gemtech Quickmount system, allowing fast suppressor attachment and removal.

What’s the difference between 1/2x28 and 5/8x24 threads?
1/2x28 is the standard thread pitch for 5.56/.223 rifles. 5/8x24 is commonly used for .30 caliber rifles such as .308 or 300 BLK.

Is timing or shimming required?
Yes, proper shims or a crush washer should be used to ensure correct alignment and timing during installation.

Does it reduce recoil?
No. This device is a flash hider, not a muzzle brake. Its main purpose is reducing visible flash, not recoil.