
Availability: In Stock
The LBE Unlimited Mil-Spec 6-Position AR-15 buffer tube in red is a US-made receiver extension built to mil-spec diameter, so it'll work with any collapsible AR-15 stock designed for standard mil-spec tubes. Whether you're finishing a new build, swapping stocks on an existing rifle, or stocking your spare parts drawer, this pre-threaded tube handles the job without fuss. LBE Unlimited's reputation is built on solid domestic manufacturing, and this buffer tube reflects that straightforward, no-frills approach to AR platform reliability.
The 6-position design gives you flexibility in cheek weld and sight picture, letting you dial in the length of pull that works for your shooting style and body geometry. Red anodizing makes it easy to spot in your parts bin and adds a touch of visual distinction to your build. Since it arrives pre-threaded, installation is as simple as threading it onto your lower receiver—no machine work required.
If you're building an AR from the ground up or refreshing a rifle that's seen hard use, a quality buffer tube is one of those foundation parts that deserves attention. This tube gives you the mil-spec compatibility you need and the domestic build quality that keeps things running clean.
| Manufacturer | LBE Unlimited |
| Product Type | AR-15 Buffer Tube / Receiver Extension |
| Specification | Mil-Spec Diameter |
| Positions | 6 |
| Finish | Red Anodized |
| Model Number | MBUF002RED |
Yes, the LBE Unlimited Mil-Spec 6-Position buffer tube is mil-spec diameter and will fit all collapsible AR-15 stocks designed for mil-spec tubes. If your stock is mil-spec compatible, this tube will work with it.
No. The tube arrives pre-threaded, so installation is straightforward—simply thread it onto your mil-spec lower receiver. No machining or additional work is required.
The 6-position design allows you to adjust the length of pull across six different settings, giving you flexibility to find the cheek weld and sight picture that works best for your body geometry and shooting style.
Yes. LBE Unlimited manufactures this buffer tube domestically.




SKU: 115852028 • Width: 5.2in • Height: 1.7in • Depth: 10.9in • Weight: 0.38oz





Availability: In Stock
The LBE Unlimited Mil-Spec 6-Position AR-15 buffer tube in red is a US-made receiver extension built to mil-spec diameter, so it'll work with any collapsible AR-15 stock designed for standard mil-spec tubes. Whether you're finishing a new build, swapping stocks on an existing rifle, or stocking your spare parts drawer, this pre-threaded tube handles the job without fuss. LBE Unlimited's reputation is built on solid domestic manufacturing, and this buffer tube reflects that straightforward, no-frills approach to AR platform reliability.
The 6-position design gives you flexibility in cheek weld and sight picture, letting you dial in the length of pull that works for your shooting style and body geometry. Red anodizing makes it easy to spot in your parts bin and adds a touch of visual distinction to your build. Since it arrives pre-threaded, installation is as simple as threading it onto your lower receiver—no machine work required.
If you're building an AR from the ground up or refreshing a rifle that's seen hard use, a quality buffer tube is one of those foundation parts that deserves attention. This tube gives you the mil-spec compatibility you need and the domestic build quality that keeps things running clean.
| Manufacturer | LBE Unlimited |
| Product Type | AR-15 Buffer Tube / Receiver Extension |
| Specification | Mil-Spec Diameter |
| Positions | 6 |
| Finish | Red Anodized |
| Model Number | MBUF002RED |
Yes, the LBE Unlimited Mil-Spec 6-Position buffer tube is mil-spec diameter and will fit all collapsible AR-15 stocks designed for mil-spec tubes. If your stock is mil-spec compatible, this tube will work with it.
No. The tube arrives pre-threaded, so installation is straightforward—simply thread it onto your mil-spec lower receiver. No machining or additional work is required.
The 6-position design allows you to adjust the length of pull across six different settings, giving you flexibility to find the cheek weld and sight picture that works best for your body geometry and shooting style.
Yes. LBE Unlimited manufactures this buffer tube domestically.
SKU: 115852028 • Width: 5.2in • Height: 1.7in • Depth: 10.9in • Weight: 0.38oz



