Description

The Dead Air Silencers Sierra 5 KM is a compact, hard-use rifle suppressor configured with the KeyMo quick-detach mounting system. It ships with a KeyMo adapter and a 1/2-28 KeyMo flash hider and is constructed with welded Stellite baffles inside a stainless outer tube finished in black Cerakote. The design is full-auto rated and intended for heavy firing schedules with no barrel length restrictions.

Key Specifications

• Manufacturer lists applicable cartridges as 5.56 NATO, .223 Rem, and .224 Valkyrie.
• Length without adapter measures 4.87 inches.
• Overall length with KeyMo adapter measures 6.27 inches.
• Weight without adapter is 10.8 ounces.
• Weight with KeyMo adapter is 15.4 ounces.
• Mounting system included: KeyMo adapter and 1/2-28 KeyMo flash hider.
• Thread pattern on included flash hider: 1/2-28.
• Baffle material: welded Stellite with an outer stainless steel tube.
• Finish: Black Cerakote.
• Rating: Full-auto rated with no barrel length restrictions.

Robust construction, a compact footprint, and the included KeyMo components make the Sierra 5 KM a practical choice for users who run extended firing schedules and need a durable, serviceable suppressor. Its modular mounting and proven materials offer a balance of durability and functionality for professional and serious recreational use.