Mil-Spec 6-Position Buffer Tube - 7075 Aluminum black and castle nut combo.

The MIL-SPEC 6-position buffer tube is just what you need to mount your favorite MIL-SPEC carbine stock to your AR-15. The durable aluminum construction, combined with hardcoat anodized finish will provide a lifetime of service. With 6 stock positions to choose from, the perfect length of pull can be quickly set for nearly any shooter. 

Features:

• 7075-T6 aluminum
• Hardcoat anodized
• 6-position tube
• MIL-SPEC
• Proudly made in the U.S.A.