Luth-AR .308 Mil-Spec Carbine Buffer Tube Kit

High Quality Mil-Spec Carbine Buffer Tube Kit for AR-10/.308 Rifles

If you’re planning to build or upgrade your AR-308, it’s critical to choose the right buffer tube kit. This buffer tube kit from Luth-AR features a mil-spec diameter for stock compatibility, plus a .308 carbine spring, buffer, castle nut, and endplate. And it’s all made in the USA.

Includes

• Mil-Spec Carbine Tube
• .308 buffer spring
• .308 carbine buffer
• Latch Plate and Lock Ring

Specifications

• Buffer Tube Material: 6061-T6 Aluminum
• Buffer Tube Finish: Hardcoat anodized
• Buffer Weight: 3.8 oz. (.308 Carbine)

Not sure if you need Mil-spec or commercial buffer tube? The below image shows the difference in dimensions. For more information, please read our article, “Mil-Spec vs. Commercial AR 15 Buffer Tubes – Which One is Better?“.