Dead Air KeyMount Muzzle Brake DA102 | 5/8-24 | .30 Cal

The Dead Air KeyMount (KeyMo) Muzzle Brake DA102 is a threaded muzzle device designed to work with KeyMo-equipped Dead Air Sandman suppressors and to provide improved recoil management for .30-caliber rifles. The brake uses a KeyMo interface to allow quick suppressor attachment and removal while the sealed taper design helps reduce carbon-locking on the mount. Construction is steel with a black finish suitable for service use on compatible firearms.

Product Specifications

• The manufacturer is Dead Air Armament LLC.
• The model is listed as KeyMount.
• The thread pattern is 5/8-24 (5/8×24 tpi).
• The product is classified as a Muzzle Brake.
• The device is compatible with KeyMo-equipped Dead Air Sandman suppressors.
• The listed caliber/gauge is 7.62MM.
• The construction material is Steel.
• The finish is described as Black.
• The product color is Black.
• The part number is DA102.
• The NFA thread pattern is 5/8×24.
• The UPC is 810128160391.

The KeyMount brake provides a secure KeyMo interface for suppressor-ready rifles and is intended for shooters who use suppressors or want a muzzle device that simplifies mounting and removal. It is appropriate for range use and precision/long-range rifle applications where quick, repeatable attachment of a KeyMo-equipped suppressor is required.

Engineered for compatibility and service life rather than flair, the DA102 focuses on a sealed mounting taper and straightforward function. Its KeyMo interface makes it a practical choice for shooters who regularly fit and remove Dead Air Sandman series silencers.

Users commonly praise the brake’s sealed taper for reliable suppressor removal without carbon lock and report that it contributes to a flatter, less-concussive shooting feel when compared to some traditional muzzle devices.