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Anyone who has spent time next to a short-barreled rifle on a busy firing line knows the misery. That sharp concussion slaps you in the face with every shot, and the guy in the next lane starts giving you looks. The Dead Air Blast Shroud fixes that by redirecting flash and muzzle blast forward, downrange where it belongs, instead of letting it wash back over you and your neighbors. This DA464 kit ships with the DA429 KeyMo adapter, which uses the 1 3/8-32 thread pattern, so it drops right onto compatible setups without any extra parts hunting.
The shroud itself is machined from 4140 HT alloy steel with the adapter in 17-4 stainless, both wearing a black nitride finish that shrugs off carbon and weather. The complete assembly runs 3 inches long and weighs 7.6 ounces, with a generous .458 caliber through bore that covers everything from 9mm PCCs up to big-bore ARs. Beyond blast redirection, it works as a linear compensator, cutting muzzle rise so your sights stay on target for quicker follow-up shots. On shorter barrels it also extends the muzzle past your support hand, which is a real safety perk when you run a hand-forward grip on a stubby gun.
The smart part of Dead Air's approach is modularity. This shroud slips over existing Dead Air muzzle devices, and the components interchange with other Dead Air accessories and suppressor mounts, so one purchase can serve multiple hosts as your collection grows. If you already run KeyMo brakes or flash hiders, you can move the shroud between rifles in seconds.
This is for the folks running unsuppressed short-barreled rifles and pistol-caliber carbines who are tired of the fireball and blast wave that come with short pipes. It will not make your gun quiet, but it makes shooting one a whole lot more pleasant for you and everybody standing nearby. Made in the USA and built to Dead Air's usual standard, it is a simple upgrade that pays off the first time you touch off a round indoors or under a range roof.
The DA464 is the complete kit, so you get both the Blast Shroud and the DA429 KeyMo adapter with the 1 3/8-32 thread pattern in the box. If you already own a compatible adapter, Dead Air also sells the shroud by itself as the DA464S, but this listing is the full package.
Not in the way a suppressor does. It redirects sound, flash, and concussion forward and away from the shooter rather than reducing overall noise, so the gun is far more comfortable to shoot for you and anyone standing beside you. Think of it as blast management, not sound suppression.
The DA464 has a .458 caliber through bore, so it handles most common rifle and pistol calibers up to that size. That covers 5.56, .300 Blackout, 9mm, .45 ACP, and big-bore rounds like .458 SOCOM. Just make sure your bullet diameter is under .458 and the mounting threads match up.
Yes, that is one of its best features. The shroud mounts over compatible Dead Air muzzle devices, and the parts interchange with other Dead Air accessories and suppressor mounts. If you have KeyMo muzzle devices on multiple hosts, swapping the shroud between them takes just a few seconds.
| UPC | 810128161718 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DA464 |
| Caliber/Gauge | .458 Caliber |
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