Engineered for low-signature rimfire operations, the Dead Air Mask-HD delivers compact, repeatable suppression for pistols and rifles chambered in applicable rimfire and small-centerfire cartridges. Its modular construction prioritizes field serviceability and reduced first-round disturbance for rapid deployment and low-maintenance operation. The Mask-HD is built to withstand sustained use while keeping weight and profile minimal for carry and close-quarters deployment.

Key Specifications

• Caliber rating: .22 LR; 22MAG; 17HMR; 17WSM; 5.7×28 — multi-caliber rimfire and small-centerfire compatibility as listed by manufacturer.
• Energy rating: 850 ft lbs — rated operational energy limit for tested cartridges.
• Thread pattern: 1/2×28 direct thread — standard direct-thread attachment for compatible barrels.
• Materials: 17-4 PH stainless steel baffles; Grade 9 titanium tube (3Al-2.5V) — baffle/tube combination for strength-to-weight balance.
• Overall length: 5.1 inches — compact profile for reduced sight radius interference and carry.
• Diameter: 1.07 inches — slim external envelope suitable for tight mounting clearances.
• Weight: 6.6 ounces — light signature to minimize balance and handling impact.
• Full-auto rated: Yes — manufactured and designated for full-auto use within listed energy limits.
• dB reduction: 39 dB — published attenuation figure for the product configuration.
• Serviceability: Field-disassemblable; tools included — designed for simplified teardown and cleaning intervals.

Mission Brief: The Mask-HD is a compact, serviceable suppressor that reduces report and first-round disturbance while keeping weight and profile low. It fits into a no-nonsense kit focused on reliability, rapid maintenance, and multi-caliber versatility for rimfire and select small-centerfire tasks.