Dead Air Sierra 5 KeyMo 5.56 NATO Suppressor 4.87" – Black

The Dead Air Sierra 5 KeyMo is a rugged 5.56 NATO rifle suppressor engineered for demanding firing schedules and hard-use applications. Featuring welded Cobalt 6 baffles, a durable stainless steel outer tube, and a compact 4.87" body length, the Sierra 5 delivers excellent sound and flash suppression while maintaining exceptional durability.

The suppressor includes Dead Air's proven KeyMo quick-detach mounting system for secure attachment and repeatable performance. Its HUB-compatible 1.375x24 interface provides additional mounting flexibility, while full-auto-rated construction and no barrel-length restrictions make it suitable for carbines, SBRs, and high-volume shooting applications.

Key Specs

  • Caliber Rating: 5.56 NATO / .224 Valkyrie
  • Suppressor Type: Rifle Suppressor
  • Length (Without Adapter): 4.87"
  • Diameter: 1.5"
  • Weight : 10.8 oz
  • Bore Diameter: 5.56mm
  • Baffle Material: Welded Cobalt 6
  • Outer Tube: Stainless Steel
  • Included Mounting System: Dead Air KeyMo Quick-Detach
  • Mount Compatibility: HUB 1.375x24
  • Full-Auto Rated: Yes
  • Finish: Black Cerakote
  • Included Components: KeyMo Mounting System

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