Product Description The Timber Creek Outdoors Mil-Spec Buffer Tube is built for AR-platform builds and is designed to be compatible with stocks from a wide range of manufacturers. Constructed from hardcoat anodized aluminum in a black finish, it is a durable, mil-spec sized receiver extension that complements a custom TCO build. Product Highlights Mil-spec AR-platform buffer tube designed for broad stock compatibility Hardcoat anodized black finish for long-lasting wear resistance Aluminum construction for a strong, lightweight receiver extension 6-position tube design for adjustable stock setups Great match for Timber Creek Outdoors (TCO) themed builds Specs Brand: TIMBER CREEK OUTDOOR INC Manufacturer Part Number: ARBTBL UPC: 816397023634 Platform: AR platform (Mil-Spec) Material: Aluminum (aircraft grade billet aluminum, CNC machined) Finish/Color: Black hardcoat anodized Adjustment: 6-position Diameter: 1.148 in Weight: 0.27 lb Compatibility (as listed): AR-15 and AR-10/308 lower receivers Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.