Dead Air Armaments Sierra-5 KEYMO MOUNT 5.56

Description

NOTICE

Suppressors are NFA-regulated items and can only be shipped to a Federal Firearms Licensee (FFL) that also holds a Special Occupational Taxpayer (SOT) designation.

Please confirm with your selected FFL prior to purchase that they are able to receive NFA items. If you are uncertain, you need to contact them directly for verification.

Dead Air Sierra 5

The Dead Air Sierra 5 is a dedicated 5.56 suppressor designed for hard-use applications, combining durability, sound suppression, and a compact overall footprint.

Built for professional-grade use, the Sierra 5 features a welded Cobalt 6 baffle stack enclosed within a stainless steel outer tube for exceptional strength and longevity. It is full-auto rated with no barrel length restrictions, making it suitable for demanding shooting environments.

Engineered to provide an excellent balance of sound and flash suppression while maintaining minimal weight, the Sierra 5 utilizes HUB-compatible (1.375×24) mounting threads, allowing users to choose from a variety of mounting options.

This Sierra 5 is the KEYMO Version.

With its rugged construction, versatile mounting compatibility, and proven performance, the Dead Air Sierra 5 is a reliable suppressor option for shooters seeking a dedicated 5.56 platform.

• Caliber Rating: 5.56 NATO, .224 Valkyrie
• Energy Rating: 2,200+ ft-lbs
• Bore Diameter: 5.56mm
• Length (No Adapter): 4.87 inches
• Length (with Keymo): 5.72 inches
• Diameter: 1.5 inches
• Weight (No Adapter): 10.8 ounces
• Weight (with Keymo): 13.3 ounces
• Materials: Cobalt 6 baffles, stainless steel
• Finish: Black Cerakote®
• Usage: Ideal for heavy firing schedules
• Barrel Restrictions: None
• Full Auto Rated: Yes