The Tiger Rock Inc. ST008P-3.8 AR-10/LR-308 Pistol Tube Assembly Kit is vital for an optimal AR-10, .308 build. Crafted for peak performance, this kit includes all necessary components to ensure flawless operation. Constructed from lightweight, durable 6061 T6 aluminum with a type III hard anodized finish, each part is engineered for compatibility and reliability. This kit includes a foam pad for enhanced comfort. Includes essential components: buffer tube, spring, carbine buffer, end plate, castle nut, and foam pad Compatible with DPMS specifications Lightweight and durable construction Weather-resistant design for enhanced longevity Elevate your AR-10, .308 assembly with this comprehensive, high-quality kit.