The Dead Air Mask HD 22 is a direct-thread rimfire suppressor engineered for compact handling and straightforward maintenance. It combines a titanium tube with 17-4 PH stainless steel baffles to deliver a lightweight, serviceable package suitable for pistols and rifles that accept 1/2×28 direct threads. Manufacturer materials and ratings show a broad rimfire compatibility and a design intended for extended cleaning intervals.

Key Specifications

• Caliber rating includes .22LR, .22 Magnum, .17 HMR, .17 WSM and 5.7x28mm as listed by the manufacturer.
• The bore diameter is .22 caliber.
• The overall length is 5.1 inches.
• The maximum diameter is 1.070 inches.
• The unit weight is 6.6 ounces.
• Construction uses 17-4 PH stainless steel baffles with a Grade 9 titanium (3Al-2.5V) tube.
• The suppressor attaches via a 1/2×28 direct-thread pattern.
• The listed energy rating is 850 ft lbs.
• The unit is specified as full-auto rated.
• The design can be disassembled for routine cleaning and maintenance.

The Mask HD 22 is presented as a no-nonsense, serviceable rimfire suppressor that balances low weight with durable materials and easy takedown for cleaning. Its compact profile and multi-caliber rating suit a range of rimfire and small-pistol platforms where straightforward performance and maintainability are priorities.