DAIR KeyMicro Flash Hider 1/2-28 with SIG Taper for Precision FirearmsDickinson Arms$75.00
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Dickinson Arms
The Dickinson Arms Xeno 3-Prong 1/2-28 flash hider is a compact muzzle device engineered for 5.56 NATO and .223 Remington AR platforms. Built for shooters who demand repeatability and precision without adding bulk to their rifle, this flash hider excels as a standalone brake or—more importantly—as the foundation of the Xeno suppressor mounting system. Its 1/2-28 thread pattern threads directly onto your barrel and accepts a Xeno Adapter-equipped suppressor, creating a mounting solution optimized for shorter barrel builds and shooters running hot .223 ammo who want effective flash reduction downrange.
The Xeno 3-Prong design reflects Dead Air's philosophy: keep it simple, maximize every variable. The three prongs are detuned to prevent resonance during firing or handling, and the forward geometry is designed to shed carbon and copper buildup—even after hundreds of rounds—so your suppressor and adapter still detach cleanly without wrestling with fouled threads. That matters on a duty gun or a hard-used hunting rifle. The mounting system uses left-hand threads between the adapter and suppressor, which keeps the adapter from unscrewing during removal and lets you verify zero torque in the field. Both the hider and adapter ship with ample wrench flats, so you can apply torque or perform maintenance without removing your suppressor from the gun.
Construction is nitrided 4140 steel—a choice that prioritizes durability and corrosion resistance over lighter materials. Nitrided steel won't gall your threads the way uncoated 17-4 can, and it's easier to clean without risking thread damage. If you're building a precision rifle or a duty gun around suppressed 5.56, and you want a mounting system that stays tight, repeats zero, and doesn't require constant teardown, the Xeno platform delivers.
| Material | 4140 HT Alloy Steel, Nitrided |
| Finish | Black Nitride |
| Thread Pattern | 1/2-28 |
| Overall Length | 1.965″ |
| Weight | 3.04 oz |
| Through Bore | .22 (5.56/.223) |
This flash hider is sized for 5.56 NATO and .223 Remington rifles. The .22 through bore and geometry are optimized specifically for these cartridges.
Yes. The Xeno 3-Prong works as a standalone flash hider on your barrel. It shines when paired with a Xeno Adapter-equipped suppressor, but it functions perfectly on its own.
The Xeno 3-Prong is designed to mate with Xeno Adapter-equipped suppressors. You'll need a suppressor fitted with the Xeno Adapter to take advantage of the full mounting system repeatability and design benefits.
The adapter threads onto your Xeno-equipped suppressor using left-hand threads, which prevents the adapter from unscrewing when you remove the suppressor from your barrel. It also allows you to verify the connection is still tight before reinstalling on your firearm.
Dickinson Arms
The Dickinson Arms Xeno 3-Prong 1/2-28 flash hider is a compact muzzle device engineered for 5.56 NATO and .223 Remington AR platforms. Built for shooters who demand repeatability and precision without adding bulk to their rifle, this flash hider excels as a standalone brake or—more importantly—as the foundation of the Xeno suppressor mounting system. Its 1/2-28 thread pattern threads directly onto your barrel and accepts a Xeno Adapter-equipped suppressor, creating a mounting solution optimized for shorter barrel builds and shooters running hot .223 ammo who want effective flash reduction downrange.
The Xeno 3-Prong design reflects Dead Air's philosophy: keep it simple, maximize every variable. The three prongs are detuned to prevent resonance during firing or handling, and the forward geometry is designed to shed carbon and copper buildup—even after hundreds of rounds—so your suppressor and adapter still detach cleanly without wrestling with fouled threads. That matters on a duty gun or a hard-used hunting rifle. The mounting system uses left-hand threads between the adapter and suppressor, which keeps the adapter from unscrewing during removal and lets you verify zero torque in the field. Both the hider and adapter ship with ample wrench flats, so you can apply torque or perform maintenance without removing your suppressor from the gun.
Construction is nitrided 4140 steel—a choice that prioritizes durability and corrosion resistance over lighter materials. Nitrided steel won't gall your threads the way uncoated 17-4 can, and it's easier to clean without risking thread damage. If you're building a precision rifle or a duty gun around suppressed 5.56, and you want a mounting system that stays tight, repeats zero, and doesn't require constant teardown, the Xeno platform delivers.
| Material | 4140 HT Alloy Steel, Nitrided |
| Finish | Black Nitride |
| Thread Pattern | 1/2-28 |
| Overall Length | 1.965″ |
| Weight | 3.04 oz |
| Through Bore | .22 (5.56/.223) |
This flash hider is sized for 5.56 NATO and .223 Remington rifles. The .22 through bore and geometry are optimized specifically for these cartridges.
Yes. The Xeno 3-Prong works as a standalone flash hider on your barrel. It shines when paired with a Xeno Adapter-equipped suppressor, but it functions perfectly on its own.
The Xeno 3-Prong is designed to mate with Xeno Adapter-equipped suppressors. You'll need a suppressor fitted with the Xeno Adapter to take advantage of the full mounting system repeatability and design benefits.
The adapter threads onto your Xeno-equipped suppressor using left-hand threads, which prevents the adapter from unscrewing when you remove the suppressor from your barrel. It also allows you to verify the connection is still tight before reinstalling on your firearm.
