Dead Air Silencers Sierra-5 Suppressor

Using a suppressor on your gun protects your hearing and also the hearing of anyone around you. And if you’re a hunter, having a suppressed rifle is fantastic because it’s far less likely to scare off the game in the area. If the 5.56 NATO is your preferred platform, the Dead Air Silencers Sierra-5 suppressor is worth a closer look to drop the decibels produced by live fire.

Dead Air Silencers Sierra-5
Have a 5.56 NATO in need of quieting? Check out the Dead Air Silencers Sierra-5, a suppressor dedicated to 5.56 NATO chambered guns. (Photo credit: Dead Air Silencers)

Mike Pappas, Dead Air’s co-founder, made the following statement about the Sierra-5:

We’ve been working on this for a while. We’ve designed the Sierra-5 from the ground up to be a dedicated 5.56 suppressor. It sounds amazing. It’s lightweight and has uncompromising durability for the professional. We really feel this combination alone will appeal to hunters and tactical shooters alike.

The Dead Air Silencers Sierra-5 is available as either the Sierra-5 Xeno or the Sierra-5 KeyMo. The Xeno was designed to be compatible with the associated mounting system and the KeyMo works with KeyMo adapters. Both models are produced to Dead Air Silencer’s exacting specifications.

Dead Air Silencer
Suppressors are a great way to protect your hearing and the hearing of anyone around you. (Photo credit: Dead Air Silencers)

Dead Air Silencer also released details about the Sierra-5 suppressor:

From the beginning, our mission has been to give No Quarter in design, performance, and technology. The Sierra-5 stands true to that mission by giving you everything you want out of a dedicated 5.56 silencer.

This is a hard-use silencer. We are not cutting costs or decreasing lifespan by using stainless steel baffles. We are not sacrificing durability in search of saving a few ounces. The Sierra-5 is full-auto rated with no barrel length restrictions. Love or hate the knurling, it’s function over form, directly inline with our goal when developing the Sierra-5. Frankly, if you don’t get the Sierra-5 red hot each time you shoot it we might be offended.

Built for professional use, it offers the perfect balance of overall sound and flash suppression while maintaining a compact footprint and minimal weight. By utilizing HUB compatible (1.375-24”) mounting adapters, it can be configured to the end user’s specific needs and is available out of the box with either our KeyMo or Xeno mounting system.

Featuring the proven winning combination of welded Stellite baffles wrapped in a stainless outer tube, Sierra-5 is the last 5.56 suppressor you’ll need.

Sierra 5 5.56 silencer
The Sierra-5 from Dead Air Silencers is made for tactical shooters and hunters alike. (Photo credit: Dead Air Silencers)

Sierra-5 KeyMo Specifications

  • Materials: Stellite baffles, Stainless Steel
  • Finish: High temp Cerakote, Nitride adapter, and mount
  • Caliber Rating: 5.56/.223, 224 Valkyrie
  • Energy Rating: 2200+ ft-lbs.
  • Diameter: 1.55”
  • Length: 6.27” (with KeyMo adapter)
  • Weight: 15.4oz (with KeyMo adapter)
  • Includes: KeyMo Adapter, KeyMo 1/2-28 Flash Hider, TL Tool Pack
  • MSRP: $929
Dead Air Silencer Sierra-5 mounting systems
The Sierra-5 comes compatible with the Xeno or KeyMo mounting systems. (Photo credit: Dead Air Silencers)

Sierra-5 Xeno Specifications

  • Materials: Stellite baffles, Stainless Steel
  • Finish: High temp Cerakote, Nitride adapter, and mount
  • Caliber Rating: 5.56/.223, 224 Valkyrie
  • Energy Rating: 2200+ ft-lbs.
  • Diameter: 1.55”
  • Length: 5.72” (with Xeno adapter)
  • Weight: 13.3oz (with Xeno adapter)
  • Includes: Xeno Adapter, Xeno 1/2-28 Flash Hider, TL Tool Pack
  • MSRP: $859
Kat Ainsworth Stevens is a long-time outdoor writer, official OGC (Original Gun Cognoscenti), and author of Handgun Hunting: a Comprehensive Guide to Choosing and Using the Right Firearms for Big and Small Game. Der Teufel Katze has written for a number of industry publications (print and online) and edited some of the others, so chances are you've seen or read her work before, somewhere. A woman of eclectic background and habits, Kat has been carrying concealed for over two decades, used to be a farrier, and worked for a long time in emergency veterinary medicine. She prefers big bores, enjoys K9 Search & Rescue, and has a Master's Degree in Pitiless Snarkastic Delivery.


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