Dead AirSierra 5
5.56mm / .223 suppressor · HUB 1.375x24 interface · specs and compatibility from the manufacturer
Notable features
- HUB Compatible
- No Barrel Restrictions
- Brake on the Front of the Suppressor
- TBAC Summit Tested
- Stellite
- Full-Auto Rated
- Sealed
length
4.87″
weight
10.8oz
MSRP
$899
length
4.87″
weight
10.8oz
calibers
5.56
material
Steel · Stellite
interface
HUB 1.375x24
MSRP
$899
Photos
Image: Dead Air
- Overall length
- 4.87″
- Class
- 5.56mm / .223
- n
- 381
- Range
- 2.5″–9.75″
- Median
- 6.2″
- Diameter
- 1.5″
- Weight
- 10.8 oz
- Material
- Stellite / Stainless Steel
- Finish / treatment
- Cerakote
- Max caliber
- 5.56mm / .223
- Base interface
- HUB 1.375x24
- Front cap
- Dead Air R-Series
- Backpressure
- Standard
- Full-auto rated
- Yes
- Barrel restriction
- None (manufacturer stated)
- Maintenance
- Sealed (not user serviceable)
- Brake on the front
- The maker sells a brake end cap that screws onto the front of the suppressor
- Brakes that fit:
- Dead Air E-Brake (Sandman/Sierra 1.5")
- MSRP
- $899
Shorter than most 5.56mm / .223 suppressors
Length compared against the 381 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
Is something on this page wrong?
- Base interface
- HUB 1.375x24
- Front cap
- Dead Air R-Series
The HUB 1.375x24 is an open standard: 494 mounts and 940 muzzle devices in our catalog fit this suppressor, including Dead Air HUB Fixed Mount .578x28, AAC 51T S.T.A.M.P. Mount and AB Suppressor AB Raptor Adapter. You aren't locked into one manufacturer's parts.
Which ones fit your barrel and host?
Check in the BuilderThe Thunder Beast Silencer Summit fires every suppressor entered on the same gun, with the same equipment. Sierra 5 was measured in 2 tests. Figures can only be compared with others from the same test, so each one links to everything else fired on that gun.
Gas-operated rifles and carbines
Measurements published by Thunder Beast Arms Corp. How to read these
Manufacturer claim
- A hard-use dedicated 5.56 silencer — full-auto rated with no barrel length restrictions.
- Uses HUB compatible (1.375-24) mounting adapters and is available out of the box with either the KeyMo or Xeno mounting system.
- Materials: Cobalt 6 baffles, stainless steel.
- Finish: Black Cerakote®.
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- Welded Cobalt 6 baffles wrapped in a stainless outer tube.
- Energy rating: 2200 ft. lbs.
- Full auto rated: Yes.
- Usage: Ideal for heavy firing schedules.
- Built for professional use, balancing sound and flash suppression while maintaining a compact footprint and minimal weight.
- The Sierra 5 Xeno includes a 1/2-28 Xeno flash hider and a Xeno adapter.
- Caliber rating: 5.56 NATO, 224 Valkyrie.
- Barrel restrictions: None.
Retailer listing
- The suppressor is designated as an XM variant of the Sierra 5 line by Dead Air.
- The Dead Air Sierra 5 is optimized for 5.56mm caliber platforms.
Unattributed
- Full-auto rated with no barrel length restrictions.
- No Quarter in design, performance, and technology — the Sierra 5 gives you everything you want out of a dedicated 5.56 silencer.
- Knurling is function over form, directly inline with the goal when developing the Sierra 5.
- Built for professional use, offers the perfect balance of overall sound and flash suppression while maintaining a compact footprint and minimal weight.
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- Utilizes HUB compatible (1.375-24″) mounting adapters, configurable to the end user's specific needs.
- Proven winning combination of welded Cobalt 6 baffles wrapped in a stainless outer tube.
- Black Cerakote® finish applied to the suppressor.
- This is a hard-use silencer. Not cutting costs or decreasing lifespan by using stainless steel baffles.
- Not sacrificing durability in search of saving a few ounces.
- Sierra 5 is the last 5.56 suppressor you'll need — built to last.
- Ideal for heavy firing schedules.
- Available out of the box with either KeyMo or Xeno mounting system.
- Sierra 5 Xeno includes a 1/2-28 Xeno flash hider and a Xeno adapter.
Is one of these wrong, or does our wording say something the source doesn't?