HUB Direct Thread Fixed Mount .625x24 Sig Taper

Dead Air fixed mount inserts enable quick suppressor mounting across multiple firearms platforms. These inserts feature HUB compatibility (1 3/8-24) and accommodate a comprehensive range of thread pitches including 1/2-28, 11/16-24, 9/16-24RH, .578-28, 3/4-20, 3/4-24, 5/8-24, 5/8-24 SIG TAPER, M18-1, and M18-1.5 AI. Constructed from 4140 HT alloy steel with QPQ black nitride finish for durability and corrosion resistance, these inserts work seamlessly with Dead Air's Nomad, Primal, and other HUB-compatible silencers. Standard models measure 0.765 inches in length and weigh approximately 1.6 to 1.9 ounces depending on configuration, with extended variants available. The nitride finish ensures reliable performance in demanding conditions while maintaining a low-profile aesthetic.