The Dead Air Sierra 5 XM is a compact suppressor kit rated for 5.56/.223 use and supplied with a Xeno quick-detach adapter and a 1/2-28 Xeno flash hider. It is engineered for heavy firing schedules and is listed as full-auto rated with no barrel length restrictions. The unit uses a stainless outer tube construction and ships as a complete mount kit for quick field configuration.

Key Specifications

• The suppressor is rated for 5.56 NATO / .223 Rem.
• The body measures 4.87 inches in length without adapter.
• The unit measures 5.72 inches in length with the Xeno adapter installed.
• The nominal diameter is listed as 1.50 inches.
• The weight is 10.8 ounces without adapter.
• The weight is 13.3 ounces with the Xeno adapter and flash hider installed.
• The threaded interface for the included flash hider is 1/2-28.
• The kit includes a Xeno quick-detach adapter and 1/2-28 Xeno flash hider.
• The outer tube is constructed from stainless steel.
• This suppressor is full-auto rated and listed with no barrel length restrictions.

Compact, durable, and oriented toward demanding use, the Sierra 5 XM kit delivers a small-profile solution for shooters who need a configurable, quick-detach suppressor for 5.56/.223 platforms. The included Xeno adapter and 1/2-28 flash hider provide straightforward setup options while the stainless outer tube and full-auto rating support heavy-duty schedules and professional applications.