Dead Air Sierra 5

DEAD AIR SIERRA 5 5.56 SUPPRESSOR - STELLITE BAFFLE 5.56 NATO SILENCER, NO BARREL LENGTH RESTRICTIONS, HUB MOUNT

The Dead Air Sierra 5 is a 5.56 NATO suppressor built around welded Stellite baffles and a stainless steel outer tube. Stellite is a cobalt-chromium alloy rated for extreme heat and corrosive environments, making it one of the more durable baffle materials available in production suppressors. The Sierra 5 comes in at 5.9 inches long and 1.5 inches in diameter, with weight ranging from 13.3 ounces with a Xeno adapter to 15.4 ounces with a KeyMo adapter. No minimum barrel length restrictions. HUB 1.375x24 rear threading gives access to the full Dead Air mounting ecosystem as well as third-party HUB-compatible systems. A flash hider front cap is included standard, with full compatibility across all Sandman front caps. Cerakote finish. If you are looking for a compact, full-auto capable 5.56 suppressor with no barrel length caveats and Dead Air's established QD ecosystem behind it, the Sierra 5 is built for that role.

CAPITOL ARMORY'S OPINION

Most cans at this size and price point use stainless steel or titanium baffles, which are proven materials but have real heat limits under sustained fire. Stellite handles higher temperatures without the degradation concerns you get with other materials, which is why Dead Air chose it here. If you are running a short-barreled host with higher gas volumes or putting a suppressor through extended strings, that baffle material choice matters. The no-barrel-length-restriction spec is a strong claim on a 5.56 can. A lot of competing suppressors carry minimum barrel requirements that exclude PDW or ultrashort builds from the warranty or rating. The Sierra 5 does not have that caveat, which makes it a practical option whether you are running a 10.3-inch SBR or a full-length precision rifle without having to track a separate suppressor for each host. The Sierra 5 is a non-nonsense, compact 5.56 suppressor built for those who need over-the-top durability.

FEATURES

• Welded Stellite baffle construction for high-heat and corrosion resistance
• Stainless steel outer tube
• Rated for 5.56 NATO and smaller centerfire rifle calibers
• No minimum barrel length restrictions
• 5.9" overall length, 1.5" diameter
• 13.3 oz with Xeno adapter, 15.4 oz with KeyMo adapter
• HUB 1.375x24 rear threading
• Sandman-compatible front cap system, flash hider front cap included
• Cerakote finish

WHAT'S INCLUDED

• Dead Air Sierra 5 Suppressor
• Xeno or KeyMo Mount Adapter (your choice)
• One Muzzle Device
• Maintenance Tools and Cleaning Instructions
• Suppressor Owner's Manual
• Dead Air Decal

COMPATIBILITY

• Mounts: Dead Air Titanium Direct Thread, Dead Air KeyMo (HUB), Dead Air Xeno (HUB), SilencerCo ASR (HUB), Plan-B by Q (HUB)
• Muzzle Devices: Dead Air KeyMount Flash Hider, Dead Air KeyMount Muzzle Brake, Dead Air Xeno Muzzle Brake, Dead Air Xeno Flash Hider
• Accessories: Dead Air E-Brake, Sandman Front Caps, Sandman Flash Hider Front Caps, Front Cap Removal Tool