The Dead Air Silencers Key-Mo Hub Adapter (DA428) is a KeyMo adapter for HUB socket silencers with 1 3/8-24 threading, compatible with Dead Air’s Nomad Series, Primal, Sierra-5, and many other compatible suppressors. This mounting adapter transforms your suppressor from a direct-thread design to a quick-attach system, enabling faster and more repeatable attachment while remaining compatible with any of Dead Air’s KeyMo and Key Micro muzzle brakes or flash hiders.
Constructed from 17-4 stainless steel with a Black Nitride and Cerakote finish, the DA428 measures 1.670 inches in overall length and weighs 4.30 ounces. The adapter provides a secure, fast-attach mounting solution, ensuring reliable lock-up and repeatable alignment with minimal point-of-impact shift. Installation is straightforward—simply unscrew your existing direct-thread mount and thread the Key-Mo adapter onto your suppressor, unlocking compatibility with Dead Air’s extensive mounting ecosystem.
The DA428 is compatible with suppressors using the 1.375×24 HUB threading standard, which is used by Dead Air, SilencerCo Omega/Hybrid, Energetic Armament, YHM, CGS, and others. this adapter delivers the versatility and durability professionals and enthusiasts demand.
