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Dead Air Armament
Overview
The Dead Air DA119 KeyMo 9mm Flash Hider is designed to effectively reduce the visible flash when firing, making it an essential component for stealth and accuracy. With a thread pitch of 1/2x28, it easily attaches to a variety of compatible barrels, enhancing versatility for multi-caliber builds. This flash hider is commonly found in builds focused on tactical applications or those aiming for reduced signature during shooting.
Dead Air DA119 KeyMo 9mm Flash Hider
Builders on GunPartPicker first added the Dead Air DA119 KeyMo 9mm Flash Hider to a build in April 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 6 retailers we track have it in stock. The best price crept up from $65.98 to $72.29 over August 2026. Buying today, the lowest price is $62.40 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every muzzle device by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Muzzle Device Guide →Check it against the live catalog:
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Builds in the community that include the Dead Air DA119 KeyMo 9mm Flash Hider
| Build | Parts | Total |
|---|---|---|
![]() | 27 | $5020.83 |
![]() | 21 | $2289.82 |
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