Luth-ar BAP-308 Buffer Tube Assembly 308/7.62mm Aluminum Rifle

The Luth-AR BAP-308 buffer tube assembly is a fixed, rifle-length kit intended for AR-10 / AR .308 platforms. It supplies the A2-style rifle buffer tube and the internal components required for a complete rear buffer assembly. Constructed from 6061-T6 aluminum with a hardcoat anodized black finish, the assembly is built for reliability and long-term use in sport and precision shooting applications. The kit is compatible with A2 fixed buttstocks and is suitable for platform restoration or custom builds. The kit includes 1 .308/7.62 Buttstock Extension Tube sized for rifle-length installation along with a standard .308/7.62 buffer spring and a 5.3 oz buffer body assembly.