The Dead Air Direct Thread Adapter with .578-28 threading provides a reliable and versatile fixed mounting solution for HUB-equipped suppressors. Constructed from durable 4140 HT alloy steel with a QPQ black nitride finish, this adapter ensures exceptional strength, corrosion resistance, and long-term reliability. Compatible with Nomad, Sierra 5, Primal, and other HUB-based silencers, it expands compatibility for your suppressor across a wide range of firearms.