Yankee Hill Machine .578-28 threaded adapter for carbine-length AR platforms. Sidewinder design with M2 specifications for suppressor mounting and accessory compatibility.
The Yankee Hill Machine Carbine Adapter represents a practical solution for shooters looking to modernize their AR-platform rifles with suppressor-ready capability. This adapter threads onto your carbine-length barrel and provides a standardized .578-28 connection point.
Whether you're building a suppressor-ready carbine or upgrading an existing rifle, this adapter bridges the gap between your barrel and modern sound-suppression technology. The .578-28 thread pattern is widely supported across the suppressor industry, giving you flexibility in accessory selection.
Ensure your barrel is properly threaded to .578-28 specifications before installation. The Sidewinder design facilitates hand-tight installation, though professional installation is recommended for optimal performance and safety.