Dead Air KeyMicro Brake 1/2-28 | DA109

The Dead Air KeyMicro Brake is a compact, single-port muzzle device designed for use as a minimalist brake and as a mounting interface for Dead Air adapter systems. It is intended to pair with Dead Air’s KeyMicro and KeyMo adapters and to serve as the attachment point for compatible Sandman, Nomad-30, and Primal silencers. The device emphasizes low weight and simple geometry for use on a range of platforms where a small footprint is desired.

Applications include competition/range shooting where reduced muzzle rise and quick follow-up shots matter, and as a suppressor mounting solution for NFA-compliant silencers when combined with the proper adapter. It is not described or marketed for defensive scenarios in the provided source materials.

Product Specifications

• The manufacturer is listed as Dead Air Silencers.
• The manufacturer part number is DA109.
• The model is listed as KeyMount in the product attributes.
• The product type is a Muzzle Brake.
• The thread pattern is 1/2-28.
• The overall length is listed as 2.60 inches in the source material.
• The finish is specified as Black.
• The material is listed as Alloy Steel in the attributes.
• Compatibility is listed as KeyMicro and KeyMo adapters, and compatible with Sandman series, Nomad-30, and Primal silencers.
• The listed weight value is 0.25 (units not specified in the source).
• The fit is listed as 1/2X28.
• The product’s thread entry is recorded as 1/2-28.
• The short product description in the source identifies it as a single-port, lightweight brake.
• The UPC is 810128160520.

This brake provides a compact mounting option where a low-profile muzzle device is desired. It integrates into Dead Air’s adapter ecosystem to allow rapid attachment of compatible silencers while still functioning as a standalone, minimalist brake when a suppressor is not installed. The unit’s small size and simple interface make it suitable for users prioritizing reduced front-end mass and straightforward adapter compatibility.

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