The LBE Unlimited AR Mil‑Spec Buffer Tube Kit provides the core components needed to install a six‑position mil‑spec buffer tube on an AR‑15 platform. This kit contains the buffer tube and the common carbine recoil components required for most mil‑spec adjustable stock setups. Parts are produced in the United States by LBE Unlimited and are intended for builders and armorers working with mil‑spec dimensions. Use this kit when assembling or updating a carbine-style AR‑15 stock interface.
Key Specifications
- This is a Buffer Tube Complete Assembly.
- The kit fits the AR-15 platform.
- The tube is a six-position mil-spec diameter buffer tube.
- Includes a carbine-length recoil spring for standard carbine setups.
- Includes a standard carbine recoil buffer.
- Includes a receiver end plate for secure installation.
- Includes a castle nut to retain the end plate.
- Finished in brown for visual consistency with matching components.
Whether you are completing a new AR‑15 build or refreshing an existing carbine stock, this kit supplies the standard mil‑spec components needed for straightforward installation and reliable fitment. The included parts provide the basic hardware to support most adjustable carbine stocks built to mil‑spec dimensions, offering a practical option for builders who value consistent compatibility and US-made components.





Reviews
There are no reviews yet.