Lead & Steel Mil-Spec Buffer Tube Features The Lead & Steel Mil-Spec Buffer Tube is machined from aluminum and finished using a Type III hard coat anodizing process chosen specifically for its surface hardness abrasion resistance and chemical resistance. This anodizing method adds a 0.003 inch layer of hard aluminum oxide to the tube s surface through a proprietary multi-step electrolytic bath process. The resulting black finish not only looks consistent across Lead & Steel s product line but also provides superior long-term durability compared to a standard black oxide or Parkerized finish. Builders assembling a rifle meant for hard use will appreciate the added protection this coating provides against repeated handling and environmental exposure. Built to mil-spec dimensions the buffer tube offers broad compatibility with mil-spec stocks and braces already on the market simplifying the build process for anyone constructing an AR-platform firearm. The 2.5 inch length is sized for standard mil-spec applications giving builders a reliable foundation piece for their stock assembly. Lead & Steel s attention to finish quality across its aluminum components reflects a broader commitment to durability in every part the company produces. This buffer tube is a dependable choice for anyone building or upgrading an AR-platform rifle or pistol with mil-spec components. Lead & Steel Mil-Spec Buffer Tube Specifications Manufacturer: Lead & Steel Model: Mil-Spec Buffer Tube Color: Black Material: Aluminum Finish: Anodized Length: 2.50 Available At: GrabAGun