Advanced Technology AR-15 Mil-Spec Buffer Tube Assembly

Description This Mil-Spec buffer tube assembly from Advanced Technology is designed for AR-15 pattern rifles and most AR variants. It is constructed from 6061-T6 aluminum with a hard-coat anodized finish and uses mil-spec threading and tube diameter for compatibility with standard AR-15 components. The package includes an AR-15 recoil plug, buffer spring, and a steel military-grade e-coated castle nut with locking ring. Note: this assembly is not compatible with .308 rifles. Key Specifications Platform compatibility fits most AR-15 and AR variants and is not compatible with .308 rifles. Material is machined from 6061-T6 aluminum for structural consistency. Finish is a hard-coat anodized (black) surface treatment. Buffer tube type is a 6-position mil-spec tube providing adjustable stock options. Thread and tube diameter use mil-spec standards for broad component compatibility. Includes an AR-15 recoil plug as part of the package. Includes a buffer spring compatible with AR-15 recoil systems. Hardware supplied includes a steel military-grade e-coated castle nut and locking ring. Product type is listed as a buffer assembly for AR-15 systems. Practical and straightforward, this buffer tube assembly provides the standard mil-spec fit and durability expected for AR-15 builds and upgrades. Its 6-position design and mil-spec dimensions make it a reliable choice for builders who value compatibility and a clean, hard-coat anodized finish. Whether assembling a new rifle or replacing worn components, this package supplies the core parts needed for a proper AR-15 buffer installation.