Dead Air Sierra-5 5.56/.223 5.72 Inch Silencer with KeyMo Adapter and 1/2-28 Inch KeyMo FH

The Sierra-5 is a compact, heavy-duty suppressor engineered for professional use that balances sound and flash reduction with minimal weight. It features a fully welded, ultra-durable construction with Stellite baffles and a stainless steel outer tube with knurling for secure handling and heat-wrap use. The monolithic, laser-welded core is welded to the outer tube for exceptional strength and durability, while its design produces low blowback and a short pressure impulse. The Sierra-5 is full-auto rated, includes a HUB socket for accessory integration, and ships with either a Xeno or KeyMo mount. A drilled hole in the blast chamber allows the adapter or insert to be pinned and welded if desired.

Product Details

• Product Type: Suppressor
• Model: Sierra-5
• Construction: Fully welded monolithic core (full penetration laser welding) welded to stainless steel outer tube
• Baffles: All Stellite baffles
• Outer Tube: Stainless steel with knurling for positive purchase
• Full-Auto Rated: Yes
• Performance: Excellent sound and flash reduction, low blowback, short pressure impulse
• Compatibility / Mounting: Ships with Xeno mount or KeyMo mount; HUB socket for accessory integration; blast-chamber drilled for pin & weld of adapter/insert
• Caliber Compatibility: 5.56 NATO / .223 Rem / .224 Valkyrie
• Dimensions: Diameter — 1.55 inches
• Length: 5.72 inches
• Weight: 15.4 ounces
• Condition: New