Dead Air KeyMo Flash Hider | 9/16×24 LH | .30 Cal

The Dead Air KeyMo flash hider (DA307) is a KeyMount-style muzzle device designed for .30 caliber FAL-pattern firearms with 9/16×24 left-hand threads. Constructed from 4140 HT alloy steel with a black nitride finish, it provides a durable mounting surface for Dead Air KeyMo-equipped suppressors and accessories. The design uses mass-shifted, equal-length tines to reduce audible resonance and preserve mounting integrity. It includes a pre-drilled pin and weld hole at the 6 o’clock position for secure attachment when required.

Product Specifications

• The material is 4140 HT Alloy Steel.
• The model is listed as KeyMo.
• The thread pattern is 9/16×24 LH.
• This component fits FAL rifles.
• The product type is Accessory – Flash Hiders.
• The finish is Black (black nitride).
• The listed weight is 0.25 (units per manufacturer data).
• The overall length is 2.7 inches.
• The NFA thread pattern is 9/16×24 LH.
• The threads are specified as 9/16x24LH.
• The caliber/gauge is .30 Caliber.
• There is a pre-drilled pin and weld hole at the 6 o’clock position.
• Drilled and tapped is listed as False per manufacturer attributes.
• The width is 1 (units per manufacturer data).
• The UPC is 810128160490.

Designed for shooters building KeyMo-compatible FAL platforms and for use with KeyMo-equipped suppressors, the DA307 balances durability and serviceability. The KeyMo interface allows straightforward suppressor attachment and removal while the mass-shifted tine geometry reduces ringing that can occur with traditional devices. Its steel construction and nitride finish deliver long-term wear resistance suitable for frequent range use and competition environments.