Dead Air Sierra-5XM 5.56 Silencer with Xeno Mount
Full-auto rated 5.56 silencer with Stellite baffles and Xeno adapter. Compact 4.87-inch design handles sustained fire and rated for 2200+ ft-lbs energy. Black Cerakote finish.
Dead Air Sierra-5XM Silencer System
The Sierra-5XM represents a refined approach to sound suppression for modern rifle platforms. Built around proven suppressor technology, this unit delivers genuine noise reduction while maintaining the reliability demanded by serious shooters.
Core Specifications
- Caliber Rating: 5.56 NATO and .224 Valkyrie
- Energy Rating: 2200+ ft-lbs
- Length: 4.87 inches (without adapter); 5.72 inches (with Xeno adapter)
- Diameter: 1.5 inches
- Weight: 10.8 ounces (without adapter); 13.3 ounces (with Xeno adapter)
- Materials: Stellite baffles with stainless steel construction
- Finish: Black Cerakote
- Full-Auto Rated: Yes
Design and Performance
The Sierra-5XM employs Stellite baffles—a premium material choice that resists erosion and maintains performance through extended firing sessions. This construction makes the silencer ideal for heavy firing schedules, whether you're conducting training exercises or running suppressed rifle courses.
The included Xeno adapter and 1/2-28 Xeno flash hider provide a modular mounting solution. This system allows you to transition the silencer between compatible rifles without requiring different adapters for each platform.
Practical Advantages
- Compact profile minimizes sight-line obstruction
- No barrel length restrictions—works with any compatible rifle
- Full-auto rated for military and law enforcement applications
- Proven Stellite construction for durability under sustained use
- Modular Xeno mounting system for versatility
The Sierra-5XM is engineered for shooters who demand reliability and performance without compromise.
