Tube .875 x 4 x 5/8 thread

The Tube .875 x 4 x 5/8 thread is a precision steel suspension component engineered for suppressor systems, muzzle devices, and modular firearm assemblies used in professional tactical, law enforcement, and military applications. This compact tube serves as a critical coupling interface, designed to handle the mechanical stresses inherent in sound suppression, recoil management, and component alignment. Whether you're building a precision rifle platform or assembling a duty-grade suppressor configuration, this tube provides the structural integrity and dimensional accuracy demanded by operators who depend on their gear in high-stakes environments.

Manufactured from steel with a professional-grade black powder-coat finish, the .875 inch outer diameter tube delivers robust corrosion resistance and durability under field conditions. The 4-inch length provides optimal weight distribution for suppressor baffle stacks and suspension systems, while the 5/8-18 female thread specification (standard in suppressor assembly) ensures precise, repeatable torque-down and zero-retention across multiple installations. The black powder coat protects against moisture, salt spray, and thermal cycling, making this component suitable for coastal operations, extreme climates, and sustained-fire scenarios. At just 0.26 pounds, the lightweight profile minimizes overall system weight without compromising structural rigidity.

Gunsmiths, armament technicians, and suppressor manufacturers rely on precision tubes like this for custom builds and OEM assembly lines. The 5/8-18 female thread is a primary suppressor industry standard, compatible with common booster assemblies, piston systems, and tube-and-baffle stacks. Installation is straightforward: thread onto a matching male adapter or booster assembly, torque to manufacturer specification, and verify alignment concentricity. This component is ideal for those building custom sound suppressors, upgrading suspension systems, or repairing damaged suppressor tubes. Verify thread compatibility with your specific suppressor platform before purchase—proper thread engagement is critical for function and safety.