Engineered for demanding tactical applications, the Dead Air Sierra 5 XM delivers exceptional sound and flash suppression in a compact, hard-use package. This dedicated 5.56 NATO suppressor arrives ready to mount with the included Xeno adapter and 1/2-28 Xeno flash hider, providing immediate compatibility for your AR-platform rifle while offering full HUB modularity for future customization. Key Features Fully welded Cobalt 6 baffles wrapped in a stainless steel tube for unmatched durability under heavy firing schedules and full-auto use Compact design with knurled outer tube for secure handling and easy attachment of heat-protective wraps Xeno quick-detach system included for fast, repeatable mounting on 1/2-28 threaded barrels HUB-compatible 1.375-24" rear socket enables easy swaps to KeyMo, direct thread, or other adapters Low backpressure and short pressure impulse reduce shooter fatigue and maintain reliable cycling Flash hider front cap enhances visual signature reduction during low-light operations Benefits for Tactical Shooters The Sierra 5 XM solves common pain points for professionals and enthusiasts alike: excessive muzzle blast, visible flash, and cumbersome mounting. Its optimized baffle geometry balances superior sound reduction with minimal added length and weight, while the full-auto rating and lack of barrel restrictions ensure reliable performance whether on a short-barreled rifle or during sustained fire. The included Xeno components deliver tool-free installation and removal, letting you focus on the mission rather than equipment hassle. Technical Specifications Caliber Rating: 5.56 NATO, .224 Valkyrie Energy Rating: 2200+ ft-lbs Bore Diameter: 5.56mm Length: 4.87 inches (no adapter); 5.72 inches (with Xeno adapter) Diameter: 1.5 inches Weight: 10.8 ounces (no adapter); 13.3 ounces (with Xeno adapter) Materials: Cobalt 6 baffles, stainless steel outer tube Finish: Black Cerakote Mounting: Xeno adapter and 1/2-28 Xeno flash hider included; HUB 1.375-24" compatible Ratings: Full-auto rated, no barrel length restrictions Why Choose the Dead Air Sierra 5 XM Built with function-first engineering, this suppressor prioritizes real-world reliability over lightweight gimmicks. The proven combination of high-strength materials and thoughtful design makes it the last 5.56 suppressor many users will ever need, offering professional-grade performance in a versatile, user-configurable package. Upgrade your rifle's signature reduction today with the Dead Air Sierra 5 XM and experience the difference of purpose-built tactical gear.