Dead Air KeyMount Flash Hider .30 Cal | 5/8-24 | DA302

The Dead Air KeyMount Flash Hider (MFG# DA302) is a muzzle device and suppressor-mount interface engineered for .30-caliber systems using 5/8-24 threads. Its patent-pending mass-shifted equal-length tines are designed to eliminate the characteristic “ping” associated with some mounts while providing a secure attachment for compatible Dead Air suppressors. Constructed from 4140 HT alloy steel with a black nitride finish, the device includes a pre-drilled pin-and-weld hole and is intended for range, precision shooting, and suppressor-equipped field use.

Product Specifications

• The manufacturer is listed as Dead Air (Dead Air Silencers).
• The model/part number is DA302.
• The caliber is listed as .30 caliber / .308 (7.62 NATO).
• The thread pattern is 5/8-24 for standard NFA-style muzzle attachments.
• The material is specified as 4140 HT alloy steel.
• The finish is a black nitride coating for corrosion resistance.
• The product is described with an overall length of 2.70 inches (as listed in product text).
• The package length is listed as 5.9 inches in the product attributes.
• The unit weight is listed as 0.25 lb.
• The device uses a patent-pending design of mass-shifted equal-length tines to minimize audible “ping.”
• The mount includes a pre-drilled pin-and-weld hole at the 6 o’clock position for fixed installations.
• The flash hider is compatible with Sandman-L, Sandman-S, Sandman-K suppressors and KeyMo/KeyMicro-equipped Nomad-30, Primal, and Wolfman mounts, per the manufacturer.
• The product is backed by a lifetime warranty as stated in the item description.
• The UPC is 810128160445.

This KeyMount flash hider pairs proven materials and a purpose-built mounting geometry to deliver a durable, user-friendly interface for Dead Air suppressors and KeyMo/KeyMicro-equipped systems. Its construction and finish are chosen to resist corrosion and wear while allowing straightforward suppressor removal without carbon-locking. For shooters building a suppressed .30-caliber platform, the DA302 serves as a straightforward, practical mounting solution.

Many owners report that the KeyMo tine design effectively reduces the audible “ping” heard with some other mounts, and users commonly praise the durable finish and ease of suppressor removal.