Built for hard use and professional deployments, the Dead Air Sierra 5 XM is a compact 5.56 suppressor intended for sustained firing schedules and rapid operational tempo. The Sierra 5 XM emphasizes modularity and positive retention with a Xeno quick-detach mounting solution and included 1/2-28 flash hider. Operator-focused ergonomics and a compact footprint support rapid deployment and system-level integration.

Key Specifications

• Caliber rating: 5.56 NATO / .223 Rem / .224 Valkyrie
• Mount system: Xeno quick-detach; includes 1/2-28 Xeno adapter and Xeno flash hider
• Thread pattern: 1/2-28
• Overall length (no adapter): 4.87 inches
• Overall length (with Xeno): 5.72 inches
• Weight (no adapter): 10.8 ounces
• Weight (with Xeno): 13.3 ounces
• Full-auto rated: Yes — no barrel-length restrictions
• Usage profile: Designed for heavy firing schedules / hard-use
• NFA attachment method: Quick Detachable (QD)

Mission Brief: The Sierra 5 XM brings a compact, rugged QD suppressor solution to a no-nonsense kit. Its small profile and included Xeno adapter/flash hider allow fast transition between host systems while supporting sustained firing. Specify this unit when you need modular mounting, proven retention, and a service-oriented suppressor that minimizes added length to the weapon system.