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Gemtech
The Gemtech 5.56 ETM Flash Hider is a 1/2-28 threaded muzzle device built to pair seamlessly with Gemtech's ETM-equipped suppressors. If you're running a suppressed 5.56 build, this flash hider handles the critical job of directing gas and flash away from your sight picture while staying locked in perfect alignment with your suppressor. The 2.375-inch length works well on 14.5-inch barrels and comes pre-dimpled so you can pin and weld it for a fixed setup if your local laws or barrel length demand it.
The real advantage here is suppressor compatibility done right. Gemtech engineered this flash hider to work with their suppressors without the headache of carbon lock—that annoying condition where residue builds up between the suppressor and muzzle device and they bond together. For shooters who swap suppressors, run suppressed drills at the range, or simply want the flexibility to service their kit without a fight, that's genuine peace of mind. The black anodized finish is clean and durable, and at just 2 ounces, it doesn't add noticeable weight or change your rifle's balance.
Whether you're building a precision 5.56 rifle for the range, setting up a duty gun, or just upgrading from a standard A2 birdcage, this ETM flash hider gives you a suppressor-ready foundation. The 1/2-28 mount is the common standard for modern 5.56 rifles, so compatibility with barrels and other threaded muzzle accessories is broad.
| Caliber | 5.56mm |
| Mount Type | 1/2-28 threaded |
| Length | 2.375 inches |
| Weight | 2 ounces |
| Finish | Black anodized |
| Special Feature | Pre-dimpled for pin and weld |
Yes. This ETM flash hider is specifically designed for use with Gemtech suppressors equipped with ETM mounting systems. The alignment and thread profile ensure reliable, repeatable connection and help prevent carbon lock between components.
Yes. The device comes pre-dimpled so you can pin and weld it to a 14.5-inch barrel. Pin and weld creates a permanently attached configuration that is compliant with barrel-length regulations in jurisdictions that measure total system length.
Carbon lock occurs when carbon residue accumulates between the suppressor and muzzle device, bonding them together and making removal difficult or impossible. This ETM flash hider is engineered to minimize the conditions that lead to carbon lock when used with compatible Gemtech suppressors.
Yes. 1/2-28 is the standard threading for 5.56 NATO and .223 Remington barrels on most modern rifles, making this flash hider compatible with the vast majority of AR-pattern and modern sporting rifles in those calibers.
Gemtech
The Gemtech 5.56 ETM Flash Hider is a 1/2-28 threaded muzzle device built to pair seamlessly with Gemtech's ETM-equipped suppressors. If you're running a suppressed 5.56 build, this flash hider handles the critical job of directing gas and flash away from your sight picture while staying locked in perfect alignment with your suppressor. The 2.375-inch length works well on 14.5-inch barrels and comes pre-dimpled so you can pin and weld it for a fixed setup if your local laws or barrel length demand it.
The real advantage here is suppressor compatibility done right. Gemtech engineered this flash hider to work with their suppressors without the headache of carbon lock—that annoying condition where residue builds up between the suppressor and muzzle device and they bond together. For shooters who swap suppressors, run suppressed drills at the range, or simply want the flexibility to service their kit without a fight, that's genuine peace of mind. The black anodized finish is clean and durable, and at just 2 ounces, it doesn't add noticeable weight or change your rifle's balance.
Whether you're building a precision 5.56 rifle for the range, setting up a duty gun, or just upgrading from a standard A2 birdcage, this ETM flash hider gives you a suppressor-ready foundation. The 1/2-28 mount is the common standard for modern 5.56 rifles, so compatibility with barrels and other threaded muzzle accessories is broad.
| Caliber | 5.56mm |
| Mount Type | 1/2-28 threaded |
| Length | 2.375 inches |
| Weight | 2 ounces |
| Finish | Black anodized |
| Special Feature | Pre-dimpled for pin and weld |
Yes. This ETM flash hider is specifically designed for use with Gemtech suppressors equipped with ETM mounting systems. The alignment and thread profile ensure reliable, repeatable connection and help prevent carbon lock between components.
Yes. The device comes pre-dimpled so you can pin and weld it to a 14.5-inch barrel. Pin and weld creates a permanently attached configuration that is compliant with barrel-length regulations in jurisdictions that measure total system length.
Carbon lock occurs when carbon residue accumulates between the suppressor and muzzle device, bonding them together and making removal difficult or impossible. This ETM flash hider is engineered to minimize the conditions that lead to carbon lock when used with compatible Gemtech suppressors.
Yes. 1/2-28 is the standard threading for 5.56 NATO and .223 Remington barrels on most modern rifles, making this flash hider compatible with the vast majority of AR-pattern and modern sporting rifles in those calibers.
