The Expo Arms 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: 6061-T6 aluminum Hardcoat anodized 6-position tube MIL-SPEC Proudly made in the U.S.A. NOTE: Limit 2 per household. Quantities exceeding 2 will not allow checkout. We are fully staffed and processing orders. Standard orders are shipping in approximately 1 business days or less. FFL orders take approximately 5 business days or less if you can provide us an actively receiving FFL location.